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sentry
[ˈsɛntri]
noun
feminine
pl: sentries
sentinela
1.
A soldier stationed to keep guard and prevent unauthorized access
The sentry stood at the gate all night long.
A sentinela ficou de pé no portão a noite toda.
2.
A person or thing that keeps watch or guard
The lighthouse served as a sentry for ships at sea.
O farol serviu como sentinela para os navios no mar.
Synonyms
guard
sentinel
watchman
lookout
Regional Variations
General Brazilian
sentinela
Most common usage
General Brazilian
guarda
Alternative, more colloquial term
Portugal
sentinela
Standard term used in Portuguese military context
Related Idioms & Phrases
sentry box (pequeno abrigo de sentinela)
on sentry duty (de serviço de sentinela)
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