sentry
noun/ˈsentri/
/ˈsentri/
(plural sentries)
- a soldier whose job is to guard something
- to be on sentry duty
- People approaching the gate were challenged by the sentry.
- Everyone took their turn at sentry duty.
Oxford Collocations DictionarySentry is used before these nouns:- duty
Word Originearly 17th cent.: perhaps from obsolete centrinel, variant of sentinel.
Check pronunciation:
sentry