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sentinel
sentinel definition
sen·ti·nel (sent′'n əl)
noun
a person or animal set to guard a group; specif., a sentry
Etymology: Fr sentinelle < It sentinella, ult. < L sentire, to feel, sense
transitive verb sentineled -·neled or sentinelled -·nelled, sentineling -·nel·ing or sentinelling -·nel·ling
- to guard or watch over as a sentinel
- to furnish or protect with a sentinel
- to post as a sentinel
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