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sentinels (Noun (plural))
Sentinels are guards or soldiers whose primary responsibility is to stand watch and protect a specific location from unauthorized entry or danger. Metaphorically, the term can also refer to inanimate objects, such as trees or towers, that appear to be watching over a landscape.
Think of a 'SENS-itive' guard who 'SENS-es' danger. A SEN-tinel is a SEN-sor for the army.
The sentinels was watching. → The sentinels were watching.
The judge gave him a sentinel. → The judge gave him a sentence.
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