Definition of sentry in English:


Syllabification: sen·try
Pronunciation: /ˈsentrē

noun (plural sentries)


stand sentry

Keep guard or control access to a place.
More 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.


early 17th century: perhaps from obsolete centrinel, variant of sentinel.

More definitions of sentry

Definition of sentry in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
elaborate ornamentation of a vocal melody