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octopus (noun)
An octopus is a sea animal with a soft oval body and eight long arms called tentacles. It is known for its high intelligence, ability to change color for camouflage, and releasing ink when threatened.
"The octopus used its tentacles to open the jar."
Think of an 'Octagon' (8 sides) and a 'Pus' (like a cat's 'puss' or 'foot' in Greek). 8 feet = Octopus.
Using 'octopi' as the plural. → octopuses
Calling octopus limbs 'tentacles'. → arms
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