sentrynoun [ C ]
uk/ˈsen.tri/us/ˈsen.tri/a soldier who guards a place, usually by standing at its entrance:
My squad were on sentry duty last night.
Thesaurus: synonyms and related words
Protection and protectors
- aegis
- auspices
- bailiff
- bandobast
- beefeater
- buffer
- conservation
- guard
- guardian
- homeland security
- janitor
- minder
- night watchman
- preservation
- ranger
- self-protection
- sentinel
- shield
- warden
- watchman
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You can also find related words, phrases, and synonyms in the topics:
Soldiers & people who fight in wars