sentry

[sen-tree]
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noun, plural sen·tries.
  1. a soldier stationed at a place to stand guard and prevent the passage of unauthorized persons, watch for fires, etc., especially a sentinel stationed at a pass, gate, opening in a defense work, or the like.
  2. a member of a guard or watch.

Origin of sentry

1605–15; short for sentrinel, variant of sentinel
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for sentry

sentinel, guard

Examples from the Web for sentry

Contemporary Examples of sentry

Historical Examples of sentry


British Dictionary definitions for sentry

sentry

noun plural -tries
  1. a soldier who guards or prevents unauthorized access to a place, keeps watch for danger, etc
  2. the watch kept by a sentry

Word Origin for sentry

C17: perhaps shortened from obsolete centrinel, C16 variant of sentinel
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for sentry
n.

1610s, originally "watchtower;" perhaps a shortened variant of sentinel, which had a variant form centrinel (1590s); or perhaps worn down from sanctuary, on notion of "shelter for a watchman." Meaning "military guard posted around a camp" is first attested 1630s. Sentry-box is from 1728.

Online Etymology Dictionary, © 2010 Douglas Harper