At the A1 level, 'arms' is a very simple word that refers to the two parts of your body that come from your shoulders. You use your arms to hug people, to carry your school bag, and to wave hello. You have a left arm and a right arm. In your English lessons, you might learn the song 'Head, Shoulders, Knees, and Toes,' and you will definitely learn about your arms. When you talk about your body, you can say 'My arms are long' or 'I have two arms.' It is important to remember that 'arm' is for one and 'arms' is for two. You should also know the phrase 'in my arms,' like when a mother holds a baby. This is the most common way you will use the word. You don't need to worry about the other meanings like weapons yet. Just focus on your body parts. If you go to the doctor, they might ask you to move your arms. If you play sports like basketball, you use your arms to throw the ball. It is a very useful word for describing what you are doing with your body every day. Try to practice by pointing to your arms and saying the word out loud. You can also describe your friends' arms, like 'He has strong arms.' This helps you remember the word easily.
At the A2 level, you already know that 'arms' are parts of the body. Now, you can start to use the word in more sentences and learn some simple phrases. For example, you can say 'He folded his arms' when someone is waiting or 'She held the book in her arms.' You might also hear the word 'armchair,' which is a comfortable chair with places to rest your arms. This shows how the word is used to build other words. You should also be aware that 'arms' can sometimes mean weapons in very simple stories or news, but you don't need to use it that way often. A common phrase at this level is 'with open arms.' If you visit a friend and they are very happy to see you, they welcome you 'with open arms.' This means they are very friendly and kind. Another thing to remember is the difference between 'arm' and 'arms.' If you hurt only one side, you say 'My arm hurts.' If you hurt both, you say 'My arms hurt.' You can also use adjectives to describe arms, like 'long arms,' 'short arms,' or 'tired arms' after you carry something heavy. Practice using 'arms' when you talk about your daily activities, like 'I lifted my arms to reach the shelf.' This will help you become more confident in using basic English to describe physical actions.
At the B1 level, you should be comfortable with 'arms' as body parts and start understanding its second major meaning: weapons. In news reports or history books, you will see 'arms' used to mean guns, swords, or bombs. For example, 'The country is buying more arms' means they are buying more weapons. You will also encounter more idioms. 'Up in arms' is a very important one; it means people are very angry about something and are protesting. For instance, 'The workers were up in arms about the low pay.' You should also know 'at arm's length,' which means keeping someone at a distance because you don't trust them or don't want to be too close. At this level, you can use 'arms' in more complex sentences. You might discuss 'arms control' or an 'arms race' when talking about world history or politics. You should also be careful with the grammar: when 'arms' means weapons, it is almost always plural. You wouldn't say 'He has an arm' to mean he has a gun. This is a common mistake for learners. You can also start using the word in more formal contexts, like 'the right to bear arms' in a discussion about laws. Understanding these different meanings will help you read newspapers and follow more advanced conversations in English. It's a great word to show that you understand how one English word can have very different uses depending on the situation.
At the B2 level, you are expected to use 'arms' with precision in both its literal and figurative senses. You should be able to distinguish between 'arms' (weapons), 'armaments' (military equipment), and 'ammunition' (bullets/shells). In discussions about international relations, you might use terms like 'arms proliferation' or 'arms embargo.' You should also be very familiar with heraldry, specifically the term 'coat of arms.' This refers to the symbolic designs used by families or institutions. For example, 'The university's coat of arms features a lion.' Figuratively, you should be able to use 'a shot in the arm' to describe something that provides a much-needed boost or encouragement. For instance, 'The new contract was a shot in the arm for the struggling company.' You should also understand the nuance of 'bearing arms' versus 'carrying weapons.' 'Bearing arms' often has a more formal or legal connotation. Your vocabulary should also include 'small arms,' 'heavy arms,' and 'conventional arms.' In terms of body language, you can describe someone as having 'arms akimbo' (hands on hips with elbows out), which indicates a certain attitude or posture. At this level, you should be able to switch between these meanings fluidly in writing and speaking, ensuring that your context always makes the intended meaning clear. You should also be able to explain the etymological connection between the two meanings—how the Latin 'arma' (tools/weapons) led to both the physical limb and the instruments of war.
At the C1 level, your mastery of 'arms' should include a deep understanding of its historical, legal, and literary nuances. You should be able to discuss the 'Second Amendment and the right to bear arms' with an awareness of the complex legal debates surrounding it. In literature, you might encounter 'arms' used in a metonymic way, where it represents the entire concept of warfare, as in the famous opening of Virgil's Aeneid: 'Of arms and the man I sing.' You should be comfortable with advanced idioms like 'to be in the arms of Morpheus' (meaning to be fast asleep) or 'to take up arms against a sea of troubles' (a famous Shakespearean line). Your use of the word in professional contexts should be flawless; for example, in a business negotiation, you might use 'at arm's length' to describe a transaction where the parties act independently and have no relationship to each other, ensuring fairness. You should also understand the technicalities of heraldry, such as 'blazoning a coat of arms.' In terms of anatomy, you might use more specific medical or biological terms when necessary, but you should also appreciate the poetic power of 'arms' in describing human connection and protection. Your ability to use 'arms' should reflect a high degree of cultural literacy, recognizing how the word functions in everything from high-level political discourse to classical poetry and modern legal frameworks. You should also be able to analyze how the word's meaning has evolved over time and how it continues to shape English idioms and metaphors.
At the C2 level, you possess a native-like command of 'arms' and all its subtle implications. You can navigate the most complex linguistic environments where the word appears. You understand the historical development of 'arms' from the Proto-Indo-European root '*ar-', meaning to fit together, which explains why it applies to both the jointed limb and the 'fitted' tools of war. You can use the word in highly specialized contexts, such as 'arms-length' principles in international taxation or 'arms-control' treaties in nuclear non-proliferation studies. Your literary analysis can delve into the use of 'arms' as a symbol of both destruction and embrace, exploring the duality of the human experience. You are familiar with obscure heraldic terms like 'achievement of arms' or 'full arms.' In your own writing, you can employ 'arms' with a sense of style and rhetorical flourish, perhaps using it in a pun or a sophisticated metaphor. You recognize the difference between 'arms' and 'arm' as a verb in various registers, from 'arming a security system' to 'arming oneself with knowledge.' Your understanding of the word is not just about definition, but about the cultural and historical weight it carries. You can participate in nuanced debates about 'arms' in the context of global ethics, the military-industrial complex, or the history of chivalry. At this level, the word 'arms' is a versatile tool in your linguistic arsenal, allowing you to express complex ideas with economy and precision, whether you are writing a legal brief, a piece of literary criticism, or a philosophical essay.

arms in 30 Seconds

  • Arms are the upper limbs of the human body, essential for lifting and reaching.
  • In a military context, arms refers to weapons, ammunition, and military equipment.
  • The word is also used in heraldry to describe a family or national coat of arms.
  • Common idioms include 'up in arms' (angry) and 'with open arms' (warmly).

The word arms is a fascinating example of a polysemous noun in the English language, meaning it carries multiple distinct meanings depending on the context in which it is utilized. At its most fundamental biological level, 'arms' refers to the two upper limbs of the human body. These limbs extend from the shoulders down to the wrists and hands. In this anatomical sense, we use the word daily to describe physical actions, gestures, and states of being. For instance, when you carry groceries, you are using your arms. When you hug a loved one, you wrap your arms around them. This usage is universal and foundational to human experience.

Anatomical Context
Refers to the physical appendages used for reaching, lifting, and interacting with the world. It includes the upper arm, elbow, and forearm.

However, the word shifts dramatically when we move into the realms of history, politics, and warfare. In these contexts, 'arms' serves as a collective noun for weapons and ammunition. This is not just limited to modern firearms; it encompasses everything from swords and shields of the medieval era to the sophisticated missile systems of the modern age. When a country increases its 'arms' production, it is manufacturing more tools for defense or combat. This dual meaning—limbs and weapons—actually shares a common linguistic root in the Latin word 'arma', which referred to tools or equipment, particularly those used for war. The human arm was seen as the primary 'tool' of the body, leading to the linguistic convergence we see today.

The athlete stretched his arms wide before the race began.

Beyond these two primary meanings, 'arms' also appears in the context of heraldry. A 'coat of arms' is a unique design painted on a shield or a garment, used to identify a family, a city, or a nation. This tradition dates back to the Middle Ages when knights needed a way to be recognized on the battlefield while wearing full armor. Today, many universities and historical cities still maintain their official arms as a mark of heritage and prestige. Understanding which 'arms' someone is talking about requires careful attention to the surrounding words. If someone says they are 'up in arms,' they aren't literally lifting their limbs; they are expressing intense protest or anger, metaphorically reaching for weapons to fight a perceived injustice.

Military Context
Refers to weaponry, ordnance, and the equipment of war. It is often used in formal treaties and news reports regarding international security.

The treaty aimed to reduce the proliferation of nuclear arms across the continent.

In daily conversation, you will most frequently encounter the anatomical meaning. However, if you watch the news or read historical novels, the 'weapons' meaning becomes much more prevalent. The versatility of the word allows it to bridge the gap between the intimate human experience of a hug and the global scale of international conflict. Whether discussing a baby's tiny arms or the massive arms race of the Cold War, the word remains a pillar of English vocabulary that learners must master to achieve fluency.

Heraldic Context
Refers to the symbolic designs (coat of arms) used by families or institutions to represent their identity and history.

The university's coat of arms features a book and a torch, symbolizing knowledge and light.

She held the crying infant in her arms until he fell asleep.

The rebels were forced to lay down their arms after the peace agreement was signed.

Using the word arms correctly requires an understanding of its plural nature and its specific idiomatic applications. When referring to the body, 'arms' is simply the plural of 'arm'. You have two arms. However, when referring to weapons, 'arms' is a plural noun that does not typically have a singular form in that specific sense. You wouldn't say 'He picked up an arm' to mean he picked up a gun. This distinction is crucial for learners to avoid confusion between anatomy and weaponry.

Subject-Verb Agreement
Since 'arms' is plural, it always takes a plural verb. Example: 'His arms are tired' or 'The arms were shipped overseas.'

In descriptive writing, 'arms' often appears with adjectives that provide more detail about physical appearance or the type of weaponry. You might see 'muscular arms,' 'slender arms,' or 'outstretched arms.' In a military context, you will see 'small arms' (handheld weapons), 'heavy arms' (large machinery), or 'nuclear arms.' These pairings help the reader immediately identify which definition of the word is being used. For example, 'The soldier's strong arms held the heavy arms' uses both meanings in one sentence, showing the physical limb supporting the weapon.

He stood with his arms crossed, looking quite impatient.

Idiomatic usage is where 'arms' becomes truly expressive. To welcome someone 'with open arms' means to greet them with great enthusiasm and warmth. This is a very common phrase in both social and professional settings. Conversely, to be 'up in arms' about something means to be very angry and ready to protest. Notice how these idioms use the physical imagery of the limbs to convey emotional states. When you are happy to see someone, your limbs are open; when you are angry, you are metaphorically reaching for your weapons.

Prepositional Patterns
Common patterns include 'in someone's arms,' 'at arm's length,' and 'under arms' (meaning armed and ready for war).

The local community was up in arms over the plan to build a new highway through the park.

When writing about history or law, you will encounter 'the right to bear arms.' Here, 'bear' means to carry or possess. This is a formal, almost archaic use of the word 'bear' that survives in legal language. Similarly, 'lay down your arms' is a formal way of saying 'surrender your weapons.' These phrases are highly specific and should be used when you want to sound authoritative or when discussing formal historical events. In contrast, 'a shot in the arm' is a great idiom meaning something that gives a sudden boost of energy or encouragement, originally referring to a medical injection but now used for anything from a business deal to a motivational speech.

Colloquial vs. Formal
Use 'arms' (limbs) in any register. Use 'arms' (weapons) primarily in formal, journalistic, or historical contexts.

The new investment was a real shot in the arm for the struggling startup.

They welcomed the refugees with open arms, providing food and shelter immediately.

The museum displays various ancient arms, including bronze swords and iron spears.

You will hear the word arms in a surprisingly wide variety of environments, ranging from the most mundane to the most high-stakes. In a fitness center or gym, 'arms' is one of the most common words you'll hear. Personal trainers will talk about 'arm day,' 'toning your arms,' or 'building arm strength.' In this setting, the word is strictly anatomical, focusing on the biceps, triceps, and forearms. If you are watching a sports broadcast, particularly boxing or wrestling, commentators will frequently mention the 'reach' or 'length' of a fighter's arms, as this provides a significant physical advantage in combat sports.

Fitness and Health
Commonly heard in gyms, yoga studios, and doctor's offices. Phrases like 'lift your arms' or 'arm muscles' are standard.

Switching the channel to the evening news, the meaning of 'arms' often shifts to the geopolitical. News anchors report on 'arms deals' between nations, 'arms control' negotiations, and the 'arms race' in various regions of the world. In these reports, 'arms' is a serious, heavy word associated with international security, war, and peace. You might hear about 'illegal arms trafficking' or 'arms embargoes' placed on certain countries. This is the word at its most formal and consequential, where the 'arms' being discussed are tools of destruction rather than parts of the human body.

The news report focused on the recent arms deal signed between the two neighboring countries.

In a domestic or social setting, 'arms' appears in more emotional contexts. Parents talk about holding their children in their arms. Romantic movies often feature scenes where characters are 'in each other's arms.' Here, the word evokes safety, love, and intimacy. It's a soft usage of the word that contrasts sharply with the military definition. You might also hear it in idioms during a heated discussion; if someone says, 'I'm keeping him at arm's length,' they are explaining that they are avoiding becoming too friendly or close with someone they don't quite trust. This metaphorical use of physical distance is a staple of English social commentary.

News and Politics
Heard in reports about international relations, crime, and constitutional law. 'Arms race' and 'arms control' are key terms.

The trainer told me to keep my arms straight while performing the plank exercise.

Finally, in academic or historical settings, you will hear about 'coats of arms.' If you visit an old European city, a tour guide might point out the 'arms of the city' carved into a stone gate. In a history lecture, a professor might discuss the 'call to arms' that led a population to revolt. These uses connect the word to heritage and collective action. Whether it's the physical limb, the deadly weapon, or the symbolic shield, 'arms' is a word that permeates almost every facet of English-speaking life, from the gym to the battlefield to the family living room.

Social and Emotional
Heard in stories, movies, and daily life. Phrases like 'in her arms' or 'open arms' convey warmth and safety.

The knight's shield bore the royal arms, a lion rampant on a field of gold.

The protesters were up in arms about the new tax laws.

He kept his rivals at arm's length to maintain his professional advantage.

One of the most frequent mistakes learners make with the word arms is failing to distinguish between its singular and plural forms, especially when the meaning changes. In the anatomical sense, 'arm' is a standard count noun: one arm, two arms. However, when referring to weapons, 'arms' is almost exclusively used in the plural. A common error is saying 'He was carrying an arm' when you mean he was carrying a gun. This sounds very strange to a native speaker, as it implies he was carrying a severed human limb! To avoid this, always use 'arms' or a specific word like 'weapon' or 'firearm' when discussing military equipment.

The 'Severed Limb' Error
Mistake: 'The soldier picked up his arm.' (Sounds like a body part). Correct: 'The soldier picked up his arms.' or 'The soldier picked up his weapon.'

Another common pitfall involves the idiom 'up in arms.' Learners sometimes take this literally and think it means someone is physically raising their hands. In reality, it is a figurative expression meaning 'very angry' or 'protesting strongly.' If you say 'The students were up in arms,' you aren't describing their physical posture; you are describing their emotional state and their readiness to fight for a cause. Misunderstanding this can lead to confusion in reading comprehension, especially in news articles or literature where figurative language is common.

Incorrect: The city was up in arms because they were doing morning exercises. (Literal mistake).

Prepositional errors are also frequent. The phrase is 'at arm's length,' not 'at an arm length' or 'at arms length' (without the apostrophe). The apostrophe is necessary because it indicates the length of one arm. This idiom means to keep someone at a distance to avoid intimacy or influence. Similarly, when you are 'in someone's arms,' it implies a hug or being held. Using 'on someone's arms' or 'at someone's arms' would be incorrect and would change the meaning entirely, likely making the sentence nonsensical.

Subject-Verb Agreement
Mistake: 'The arms was found in the basement.' Correct: 'The arms were found in the basement.'

She keeps her ex-boyfriend at arm's length to avoid any more drama.

Lastly, confusion often arises between 'arms' and 'alms.' While they sound somewhat similar in some accents (though usually distinct), 'alms' refers to money or food given to poor people. This is an archaic word but still appears in historical texts and religious contexts. Confusing 'arms' (weapons) with 'alms' (charity) would lead to a very confusing sentence, such as 'The king gave arms to the poor,' which would mean he gave them weapons instead of help! Always double-check the spelling and the context to ensure you are using the correct term.

Spelling and Homophones
Be careful not to confuse 'arms' with 'alms' (charity) or 'alms' (though 'alms' is rare). Also, ensure you don't confuse the noun 'arms' with the verb 'arms' (as in 'he arms the bomb').

The soldier was armed with a rifle and a pistol. (Verb usage vs Noun usage).

The police found a cache of illegal arms in the abandoned warehouse.

He stretched his arms over his head and yawned loudly.

Because arms has two very different meanings, the synonyms and alternatives depend entirely on which 'arms' you are talking about. If you are referring to the human body, the most common synonyms are 'limbs' or 'appendages.' 'Limbs' is a slightly more formal or scientific term that includes both arms and legs. 'Appendages' is even more technical and is often used in biology to describe any part of an organism that sticks out from the main body. In casual conversation, however, 'arms' is almost always the best and most natural choice.

Anatomical Alternatives
Limbs: More general (includes legs). Appendages: Very technical/scientific. Forearms/Biceps: More specific parts of the arm.

When 'arms' refers to weapons, the list of alternatives is much longer and more varied. 'Weapons' is the most direct and common synonym. 'Munitions' or 'ammunition' refers specifically to the bullets, shells, and explosives used by weapons. 'Ordnance' is a military term for large-scale weaponry and supplies. 'Firearms' is a specific term for guns. If you are writing a formal report about international conflict, using a variety of these terms like 'weaponry' or 'armament' can make your writing sound more sophisticated and precise.

The military base was well-stocked with ordnance and supplies for the upcoming mission.

In the context of heraldry, 'arms' is often used interchangeably with 'coat of arms,' 'crest,' or 'insignia.' While there are technical differences between a crest and a coat of arms (the crest is actually just the part on top of the helmet), most people use them as general synonyms in casual conversation. 'Heraldic device' is a more formal way to describe these symbols. If you are describing a family's history, you might say 'the family crest' or 'the ancestral arms' to evoke a sense of tradition and lineage.

Military/Legal Alternatives
Weaponry: General term for weapons. Armament: The process of equipping for war. Firearms: Specifically guns.

The family crest was embroidered onto the pocket of his blazer.

Finally, consider the verbs associated with 'arms.' Instead of 'carrying arms,' you might say 'bearing weapons.' Instead of 'laying down arms,' you might say 'surrendering' or 'disarming.' These alternatives can help you avoid repetition in your writing. However, 'arms' remains a unique word because it captures a specific set of meanings that are deeply embedded in English idioms and legal history. Choosing the right alternative depends on whether you want to be more specific (e.g., 'rifles' instead of 'arms') or more formal (e.g., 'armament' instead of 'arms').

Heraldic Alternatives
Coat of arms: The full symbolic design. Crest: The top part of the design. Insignia: A badge or mark of office.

The soldiers were ordered to disarm before entering the neutral zone.

The biologist studied the various appendages of the deep-sea creature.

The government signed a treaty to limit the production of nuclear weaponry.

How Formal Is It?

Formal

"The proliferation of illicit arms poses a significant threat to regional security."

Neutral

"He stretched his arms after sitting at the desk for three hours."

Informal

"The new iPhone is great, but it cost me an arm and a leg!"

Child friendly

"The teddy bear has soft, fuzzy arms for hugging."

Slang

"Check out the guns on that guy! (Using 'guns' as slang for muscular arms)."

Fun Fact

The two meanings of 'arms' actually merged in English because the human arm was seen as the body's primary 'tool' or 'weapon'.

Pronunciation Guide

UK /ɑːmz/
US /ɑːrmz/
Single syllable word; the stress is on the entire word.
Rhymes With
alarms charms farms harms disarms swarms storms forms
Common Errors
  • Pronouncing the 's' as a sharp 's' instead of a 'z' sound.
  • Confusing the vowel sound with 'alms' in some non-rhotic accents.
  • In US English, failing to pronounce the 'r' clearly.
  • Shortening the vowel too much, making it sound like 'ams'.
  • Over-emphasizing the 'r' in a way that sounds unnatural.

Difficulty Rating

Reading 2/5

Easy to read, but requires context to know which meaning is intended.

Writing 3/5

Learners often forget the plural-only rule for weapons.

Speaking 2/5

Simple pronunciation, though the 'z' sound at the end is important.

Listening 3/5

Can be confused with 'alms' or 'arms' (verb) in fast speech.

What to Learn Next

Prerequisites

body hand shoulder weapon fight

Learn Next

armament disarm heraldry ammunition proliferation

Advanced

metonymy Second Amendment blazon ordnance appendage

Grammar to Know

Plural-only nouns

Arms (weapons) is like 'scissors' or 'pants'; it doesn't have a singular form in that sense.

Possessive Idioms

In 'at arm's length', the apostrophe shows the length belongs to one arm.

Subject-Verb Agreement

The arms (limbs) ARE tired. The arms (weapons) WERE seized.

Noun Adjuncts

In 'arms deal', the noun 'arms' acts like an adjective to describe the 'deal'.

Metonymy

Using 'arms' to represent the entire concept of war or military power.

Examples by Level

1

I have two arms.

I have two upper limbs.

Plural noun 'arms' follows the number 'two'.

2

The baby is in her mother's arms.

The baby is being held.

Possessive 'mother's' before the noun 'arms'.

3

Wave your arms in the air!

Move your arms up and down.

Imperative verb 'wave' followed by the object 'arms'.

4

My arms are very long.

My limbs have a lot of length.

Subject-verb agreement: 'arms' (plural) takes 'are'.

5

She put her arms around her friend.

She gave her friend a hug.

Preposition 'around' used with 'arms'.

6

He has strong arms.

His muscles are powerful.

Adjective 'strong' describes the noun 'arms'.

7

The doctor looked at my arms.

The doctor checked my limbs.

Definite article 'the' and possessive 'my'.

8

I carry my bag with my arms.

I use my limbs to hold my bag.

Preposition 'with' indicates the instrument used.

1

He sat in the armchair and rested his arms.

He relaxed his limbs on the chair.

Compound noun 'armchair' related to 'arms'.

2

They welcomed us with open arms.

They were very happy to see us.

Idiomatic phrase 'with open arms'.

3

She folded her arms because she was cold.

She crossed her limbs over her chest.

Past tense verb 'folded' with 'arms'.

4

The robot has metal arms.

The machine has limbs made of metal.

Noun 'metal' acts as an adjective here.

5

He lifted the box with both arms.

He used both of his limbs.

Determiner 'both' emphasizes using two arms.

6

The shirt has long arms.

The sleeves of the shirt are long.

In this context, 'arms' refers to sleeves.

7

She held the cat in her arms.

She was carrying the cat.

Prepositional phrase 'in her arms'.

8

My arms are tired after swimming.

My limbs feel weak from exercise.

Adjective 'tired' following the linking verb 'are'.

1

The local people were up in arms about the new tax.

They were very angry and protesting.

Idiom 'up in arms' used for anger/protest.

2

The country decided to stop selling arms to the rebels.

They stopped selling weapons.

'Arms' here means weapons (plural noun).

3

He kept his business rivals at arm's length.

He avoided getting too close to them.

Idiom 'at arm's length' with possessive apostrophe.

4

The museum has a collection of ancient arms and armor.

It has old weapons and protective gear.

Collective noun 'arms' paired with 'armor'.

5

The treaty focused on the reduction of nuclear arms.

It aimed to have fewer nuclear weapons.

Compound noun 'nuclear arms'.

6

She fell asleep in his arms during the movie.

He was holding her while she slept.

Prepositional phrase 'in his arms'.

7

The soldiers were ordered to lay down their arms.

They were told to surrender their weapons.

Phrasal verb-like structure 'lay down their arms'.

8

The athlete has a very long reach due to his arms.

His limbs give him an advantage.

Causal phrase 'due to his arms'.

1

The university's coat of arms was designed in the 19th century.

The official symbol was created then.

Noun phrase 'coat of arms' for heraldry.

2

The new investment provided a much-needed shot in the arm for the project.

It gave the project a boost of energy.

Idiom 'a shot in the arm' for encouragement.

3

The rebels were under arms and ready for the offensive.

They were armed and prepared to fight.

Phrase 'under arms' meaning armed.

4

The illegal trade in small arms is a major global issue.

The trade of handheld weapons is a problem.

Specific term 'small arms'.

5

She stood with her arms akimbo, waiting for an explanation.

She had her hands on her hips.

Adverbial phrase 'arms akimbo'.

6

The arms race between the two nations escalated quickly.

The competition for weapons grew fast.

Compound noun 'arms race'.

7

The police discovered a large cache of arms in the basement.

They found a hidden supply of weapons.

Noun 'cache' often used with 'arms'.

8

He was a brother-in-arms to all who served with him.

He was a close comrade in the military.

Idiomatic noun 'brother-in-arms'.

1

The right to bear arms is a cornerstone of the Second Amendment.

The right to own weapons is very important.

Formal/legal phrase 'to bear arms'.

2

The transaction was conducted at arm's length to ensure transparency.

It was done independently and fairly.

Business/legal idiom 'at arm's length'.

3

The poet wrote of 'arms and the man,' echoing classical themes.

He wrote about war and the hero.

Literary reference where 'arms' means war.

4

The city's achievement of arms dates back to the medieval era.

Its full heraldic design is very old.

Technical heraldic term 'achievement of arms'.

5

The proliferation of conventional arms remains a threat to regional stability.

The spread of standard weapons is dangerous.

Formal academic/political vocabulary.

6

He finally found peace in the arms of Morpheus.

He finally fell into a deep sleep.

Classical/literary idiom for sleep.

7

The company was forced to divest its arms manufacturing division.

It had to sell its weapon-making part.

Noun adjunct 'arms' modifying 'manufacturing'.

8

The call to arms resonated through the oppressed population.

The request to fight spread among the people.

Metaphorical/historical phrase 'call to arms'.

1

The treaty's failure led to an unbridled arms race that destabilized the continent.

The lack of agreement caused a dangerous weapon competition.

Advanced collocations: 'unbridled arms race'.

2

In heraldry, the blazoning of arms requires a highly specialized vocabulary.

Describing coats of arms needs specific words.

Technical jargon 'blazoning of arms'.

3

The protagonist's struggle was a literal and metaphorical call to arms against injustice.

He was fighting both physically and socially.

Nuanced use of 'call to arms'.

4

The 'arms-length' principle is vital in preventing transfer pricing manipulation.

Fair pricing between related companies is necessary.

Highly specialized financial/legal usage.

5

The sculpture depicted the deity with multiple arms, each holding a symbolic object.

The statue had many limbs representing different things.

Anatomical usage in a religious/artistic context.

6

The illicit diversion of state-owned arms into the black market was meticulously documented.

The stealing of government weapons was recorded.

Complex sentence structure with formal vocabulary.

7

His prose was armed with a sharp wit that could disarm even the fiercest critic.

His writing was clever and could calm anyone down.

Metaphorical use of 'armed' and 'disarm'.

8

The sovereign's arms were prominently displayed above the throne.

The king's official symbol was over his seat.

Formal use of 'arms' for heraldry.

Common Collocations

bear arms
arms race
open arms
small arms
coat of arms
up in arms
arm's length
arms deal
lay down arms
under arms

Common Phrases

In someone's arms

— To be held or hugged by someone. It often implies safety or love.

The child felt safe in his father's arms.

With open arms

— To welcome someone with great enthusiasm and warmth. It shows hospitality.

The community welcomed the refugees with open arms.

Up in arms

— To be very angry and protesting strongly about something. It describes a state of revolt.

The teachers were up in arms about the budget cuts.

At arm's length

— To keep someone at a distance to avoid being too friendly or influenced by them.

He kept his business partners at arm's length.

A shot in the arm

— Something that gives a sudden boost of energy, encouragement, or help. It revitalizes a situation.

The new funding was a real shot in the arm for the charity.

Call to arms

— A request or command for people to prepare for a fight or to support a cause.

The leader's speech was a powerful call to arms for the movement.

Lay down arms

— To stop fighting and surrender your weapons. It is a formal term for ending conflict.

The two sides finally agreed to lay down their arms.

Brother-in-arms

— A fellow soldier or someone who has fought alongside you in a difficult situation.

He mourned the loss of his brothers-in-arms.

Take up arms

— To start a fight or to prepare for war. It can also mean to start a strong protest.

The citizens were ready to take up arms against the invader.

Under arms

— Equipped with weapons and ready for military action. It describes a state of readiness.

The border guards were under arms throughout the night.

Often Confused With

arms vs alms

Alms refers to money or food given to the poor. It sounds similar but has a completely different meaning.

arms vs arm (verb)

The verb 'to arm' means to provide weapons. 'He arms the troops' is different from 'He has arms'.

arms vs harm

Harm means injury or damage. It rhymes with 'arm' but is unrelated.

Idioms & Expressions

"Cost an arm and a leg"

— To be extremely expensive. It suggests that the price is as high as the value of your limbs.

That new car cost me an arm and a leg.

informal
"Strong-arm someone"

— To use force or threats to make someone do what you want. It implies coercion.

They tried to strong-arm him into signing the contract.

informal
"Give one's right arm"

— To be willing to give up something very valuable to have or do something. It shows great desire.

I'd give my right arm to go to that concert.

informal
"Twist someone's arm"

— To persuade someone to do something they might not want to do. It's often used playfully.

I didn't want to go out, but she twisted my arm.

informal
"Arm in arm"

— Walking with your arm linked with someone else's. It shows closeness or friendship.

The couple walked arm in arm along the beach.

neutral
"In the arms of Morpheus"

— A literary way of saying someone is fast asleep. Morpheus is the Greek god of dreams.

After the long journey, he was soon in the arms of Morpheus.

literary
"With one arm tied behind one's back"

— To be able to do something very easily, even with a major disadvantage.

I could beat him at chess with one arm tied behind my back.

informal
"Chancing one's arm"

— To take a risk in order to achieve something. It's a British English expression.

He's chancing his arm by asking for such a big promotion.

informal (UK)
"Keep at arm's length"

— To avoid becoming too friendly or involved with someone. It maintains a professional distance.

She keeps her colleagues at arm's length to avoid office politics.

neutral
"Up in arms"

— In a state of active rebellion or strong protest. It implies a readiness to fight.

The whole town was up in arms over the closing of the hospital.

neutral

Easily Confused

arms vs Weapon

Both refer to tools for fighting.

'Weapon' is a general term for any object used to hurt. 'Arms' is a more formal, collective term often used in military or legal contexts.

A stick can be a weapon, but we don't usually call it 'arms'.

arms vs Limb

Both refer to body parts.

'Limb' includes both arms and legs. 'Arms' only refers to the upper limbs.

The accident affected all four of his limbs.

arms vs Firearm

Both refer to guns.

'Firearm' is a specific technical/legal term for a gun. 'Arms' is a broader category that can include swords, bombs, and missiles.

The store sells firearms and ammunition.

arms vs Crest

Both refer to heraldic symbols.

A 'coat of arms' is the whole design. A 'crest' is specifically the ornament on top of the helmet in that design.

The family crest is a golden eagle.

arms vs Hand

Both are parts of the upper limb.

The 'hand' is only the part at the end of the arm. The 'arm' is the whole limb from shoulder to wrist.

He held the coin in his hand, not his arm.

Sentence Patterns

A1

I have [adjective] arms.

I have long arms.

A2

He/She is in [possessive] arms.

The baby is in her arms.

B1

They were up in arms about [noun].

They were up in arms about the new rules.

B1

The [noun] was a shot in the arm for [noun].

The win was a shot in the arm for the team.

B2

Keep [someone] at arm's length.

I keep my neighbors at arm's length.

B2

The right to bear arms.

They debated the right to bear arms.

C1

A call to arms for [cause].

A call to arms for environmental protection.

C2

The blazoning of the [possessive] arms.

The blazoning of the royal arms was precise.

Word Family

Nouns

Verbs

Adjectives

Related

How to Use It

frequency

Very high in both daily conversation and news reporting.

Common Mistakes
  • The soldier carried an arm. The soldier carried his arms (or his weapon).

    Using the singular 'arm' for a weapon sounds like the soldier is carrying a severed human limb.

  • They were up in arm about the news. They were up in arms about the news.

    The idiom 'up in arms' must always be plural.

  • He kept them at arms length. He kept them at arm's length.

    The idiom requires a possessive apostrophe because it refers to the length of one arm.

  • The arms was found in the car. The arms were found in the car.

    'Arms' (weapons) is a plural noun and requires a plural verb.

  • I gave him alms to fight the war. I gave him arms to fight the war.

    'Alms' means charity for the poor; 'arms' means weapons.

Tips

Always Plural for Weapons

When you mean guns or swords, always use 'arms'. Saying 'he has an arm' to mean a weapon is a common mistake that sounds like a body part.

Use 'Up in Arms' for Anger

This is a great way to describe a group of people who are very upset about a new rule or situation. It sounds very natural and advanced.

Distinguish from 'Firearms'

Use 'firearms' for guns specifically. Use 'arms' for a broader category that includes all types of weaponry.

Apostrophe in 'Arm's Length'

Don't forget the apostrophe! It's the length of ONE arm, so it's 'arm's length'.

Check the Verbs

Verbs like 'hug', 'fold', and 'stretch' usually go with body parts. Verbs like 'seize', 'export', and 'limit' usually go with weapons.

Coat of Arms

If you see a shield with symbols on it, call it a 'coat of arms'. It makes you sound knowledgeable about history.

The 'Z' Sound

The 's' at the end of 'arms' is voiced, meaning it sounds like a 'z'. Practice saying 'armz' to get it right.

Open Arms

Use 'with open arms' to describe a very warm welcome. It's a very positive and common expression.

Arm's Length in Business

In business, an 'arm's length transaction' is one where both parties are independent and acting in their own self-interest.

The 'Join' Root

Remembering that 'arms' comes from a root meaning 'to join' helps you see why it applies to the jointed limb of your body.

Memorize It

Mnemonic

Think of a soldier using his strong physical ARMS to carry his heavy military ARMS. Both help him 'reach' his goals.

Visual Association

Imagine a person hugging a giant rifle. This connects the 'limb' meaning (the hug) with the 'weapon' meaning (the rifle).

Word Web

Body Shoulder Weapon Gun Hug Soldier Heraldry Shield

Challenge

Try to write a sentence that uses 'arms' as a body part and 'arms' as a weapon in the same sentence without being confusing.

Word Origin

The word 'arms' comes from the Old English 'earm', which referred to the limb. The meaning 'weapons' comes from the Old French 'armes', which derived from the Latin 'arma' meaning 'tools, equipment, or weapons'.

Original meaning: The original Proto-Indo-European root is '*ar-', which meant 'to fit together' or 'to join'. This explains why it applies to the jointed limb of the body.

Germanic (for the limb sense) and Romance/Latin (for the weapon sense).

Cultural Context

Be careful when discussing 'arms' in a political context, as gun control is a very sensitive topic in some countries.

In the US, 'arms' is often political (guns). In the UK, it is often historical (heraldry) or anatomical.

The Second Amendment of the US Constitution ('the right of the people to keep and bear Arms'). Ernest Hemingway's novel 'A Farewell to Arms'. The opening of Virgil's Aeneid: 'Arma virumque cano' (Of arms and the man I sing).

Practice in Real Life

Real-World Contexts

Physical Exercise

  • arm day
  • bicep curls
  • push-ups
  • arm strength

Military/War

  • arms deal
  • arms race
  • lay down arms
  • small arms

Social Interaction

  • open arms
  • in his arms
  • arm in arm
  • hug

Politics/Law

  • right to bear arms
  • arms control
  • arms embargo
  • Second Amendment

Heraldry/History

  • coat of arms
  • family crest
  • royal arms
  • call to arms

Conversation Starters

"Do you think the right to bear arms is important for a free society?"

"How do you usually feel when someone welcomes you with open arms?"

"What exercises do you do to keep your arms strong and healthy?"

"Have you ever seen a beautiful coat of arms on an old building?"

"Why do you think people get so 'up in arms' about local political changes?"

Journal Prompts

Describe a time when you were welcomed with open arms. How did it make you feel?

Write about a historical event where a 'call to arms' changed the course of a nation.

Do you prefer to keep people at arm's length or be very close to them? Why?

Imagine you are designing a coat of arms for your family. What symbols would you include?

Discuss the pros and cons of international arms control treaties in the modern world.

Frequently Asked Questions

10 questions

When referring to weapons, yes, 'arms' is almost always plural. You wouldn't say 'an arm' to mean a gun. However, when referring to the body part, you can use the singular 'arm' for one limb.

It is an idiom meaning to be very angry and ready to protest or fight against something. For example, 'The citizens were up in arms about the new law.'

Yes, 'to arm' is a verb meaning to provide someone with weapons or to prepare a device for use. For example, 'The guard arms the security system every night.'

A coat of arms is a symbolic design, usually on a shield, used to represent a family, city, or organization. It has its roots in medieval knightly traditions.

'Arms' is more formal and collective, often used in military, legal, or historical contexts. 'Weapons' is a general term for any object used to cause harm.

It can mean a physical distance (the length of your arm), but it is more commonly used as an idiom meaning to keep someone at a distance socially or professionally to avoid influence.

'Small arms' are handheld firearms, such as pistols, rifles, and shotguns, as opposed to heavy weaponry like tanks or missiles.

It means to welcome someone with great warmth, enthusiasm, and hospitality. It suggests a very friendly greeting.

Yes, especially in sports like boxing, swimming, or baseball, where 'arm strength' or 'reach' (arm length) is very important for performance.

An 'arms race' is a competition between nations to have the most powerful and numerous weapons. The most famous example is the nuclear arms race between the US and the USSR.

Test Yourself 190 questions

writing

Write a sentence using 'arms' to mean human limbs.

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writing

Write a sentence using 'arms' to mean weapons.

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writing

Use the idiom 'up in arms' in a sentence.

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writing

Use the phrase 'with open arms' in a sentence.

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writing

Write a sentence about a 'coat of arms'.

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writing

Use 'at arm's length' in a professional context.

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writing

Explain the meaning of 'arms race' in your own words.

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writing

Write a sentence using 'arms' as a verb.

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writing

Use the idiom 'cost an arm and a leg' in a sentence.

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writing

Write a sentence about 'small arms' control.

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writing

Describe a person's posture using 'arms akimbo'.

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writing

Use 'shot in the arm' in a sentence about a sports team.

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writing

Write a sentence about 'laying down arms'.

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writing

Use 'brother-in-arms' in a sentence.

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writing

Write a sentence about the 'right to bear arms'.

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writing

Use 'arm in arm' in a romantic sentence.

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writing

Write a sentence using 'arms' to mean sleeves.

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writing

Use 'call to arms' metaphorically.

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writing

Write a sentence about 'nuclear arms' reduction.

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writing

Use 'in the arms of Morpheus' in a sentence.

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speaking

Describe your favorite way to exercise your arms.

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speaking

Explain what 'with open arms' means to a friend.

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speaking

Discuss your opinion on international arms control.

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speaking

Tell a story about a time you were 'up in arms' about something.

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speaking

Explain the phrase 'at arm's length' using an example.

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speaking

Describe a coat of arms you have seen.

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speaking

What does 'a shot in the arm' mean in a business context?

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speaking

Why is 'arm day' popular in the gym?

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speaking

What is the 'right to bear arms' in the United States?

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speaking

How do you feel when you are in the arms of someone you love?

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speaking

Explain 'small arms' vs 'heavy arms'.

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speaking

What does 'lay down your arms' mean in a movie?

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speaking

Describe 'arms akimbo' posture.

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speaking

What is an 'arms race' and why is it dangerous?

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speaking

Use 'cost an arm and a leg' in a conversation about a vacation.

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speaking

What is a 'call to arms' in a political speech?

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speaking

How do you use 'arm in arm' to describe a couple?

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speaking

What is 'ordnance' and where might you hear the word?

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speaking

Explain 'arms-length' in a business deal.

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speaking

What does 'in the arms of Morpheus' mean?

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listening

Listen for the word 'arms' in this sentence: 'The soldier carried his arms with his strong arms.' Which 'arms' comes first?

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listening

Listen for the idiom: 'The neighbors were up in arms about the noise.' What is the neighbors' emotion?

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listening

Listen for the phrase: 'They welcomed us with open arms.' Was the welcome good or bad?

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listening

Listen for the word: 'The museum has a collection of ancient arms.' What is in the collection?

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listening

Listen for the phrase: 'Keep the screen at arm's length.' How far should the screen be?

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listening

Listen for the word: 'The baby is in her mother's arms.' Who is holding the baby?

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listening

Listen for the idiom: 'That car cost an arm and a leg.' Was the car expensive?

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listening

Listen for the word: 'The country is in an arms race.' What are they competing for?

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listening

Listen for the phrase: 'The rebels laid down their arms.' Did they stop fighting?

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listening

Listen for the word: 'The university has a beautiful coat of arms.' What is it?

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listening

Listen for the phrase: 'He stood with his arms akimbo.' What was his posture?

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listening

Listen for the word: 'The treaty covers small arms.' What kind of weapons are these?

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listening

Listen for the idiom: 'The win was a shot in the arm for the team.' How did the team feel?

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listening

Listen for the word: 'He keeps his friends at arm's length.' Is he very close to them?

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listening

Listen for the word: 'The call to arms was very effective.' What did people do?

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Related Content

Learn it in Context

More Body words

abdocness

C1

The state or quality of having a well-developed, functional, or aesthetically defined abdominal region. It is often used in specialized fitness or physiological contexts to describe core stability and muscle tone.

abdomen

B1

The part of the body between the chest and the hips, containing the digestive organs and, in females, the reproductive organs. In insects and other arthropods, it is the posterior part of the body behind the thorax.

abdomness

C1

Describing a physical state characterized by a prominent or distended abdomen. This adjective is typically used in descriptive or clinical observations to indicate significant abdominal girth or a potbellied appearance.

abflexism

C1

To consciously or unconsciously contract the abdominal muscles and core as a response to physical or psychological stressors. This verb describes the act of adopting a rigid internal posture to display strength, maintain stability, or resist external pressure.

alimentary

B2

Relating to nourishment or the organs of digestion in the body. It is most frequently used in medical and biological contexts to describe the path food takes through an organism.

ambidextrous

B2

Describing a person who is able to use the right and left hands with equal ease and skill. It characterizes individuals who do not have a dominant hand for tasks like writing, drawing, or sports.

ankle

B2

Relating to or situated near the joint that connects the foot with the leg. It is often used to describe the length of clothing or specific types of footwear and injuries occurring at this junction.

anteflexfy

C1

Characterized by being bent forward or having a forward-leaning orientation, specifically in relation to the base of an organ or structural component. It is often used in technical or medical contexts to describe an anatomical position that deviates from a vertical or neutral axis.

anterior

B2

Positioned at or toward the front of the body or a structure. It can also refer to something occurring earlier in time or sequence, though this usage is more formal.

appetites

B2

A natural desire to satisfy a bodily need, especially for food. The plural form, appetites, often refers to strong desires or likings for something more abstract, such as knowledge, power, or risk, and can also describe the collective desires of a group.

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