A sentry is someone who stands guard or watches against some intrusion or unwelcome activity. Your dog stands sentry over your house, but he would be more effective if he barked at strangers instead of licking their hands.
A soldier placed on guard; a sentinel.
Noun
a person employed to watch for something to happen
n.
A soldier placed on guard; a sentinel.
n.
Guard; watch, as by a sentinel.
Sentry
Here toils, and death, and death's half-brother, sleep, Forms terrible to view, their sentry keep.
A soldier placed on guard; a sentinel.
Usage Examples
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