Definition of sentry in English:
noun (plural sentries)
A soldier stationed to keep guard or to control access to a place.
- A lone sentry now stands guard, posted by the Northern Alliance.
- First, a sentry need no longer be a soldier standing at the entrance to a camp with a pike, or a rifle.
- By acting as sentries, patrolling the countryside etc. they relieved the army to do other work.
early 17th century: perhaps from obsolete centrinel, variant of sentinel.
- Keep guard or control access to a place.Example sentences
- Because of security woes, classes began two weeks late this year, with armed guards standing sentry at school gates.
- The number of security guards patrolling its eastern borders exceeds those standing sentry on the closely watched border between the US and Mexico.
- Relaxed Chinese guards armed with automatic rifles were standing sentry at the 217-meter-long bridge.
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