sentry

[ sen-tree ]
/ ˈsɛn tri /

noun, plural sen·tries.

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.
a member of a guard or watch.

QUIZZES

THINK YOU’VE GOT A HANDLE ON THIS US STATE NICKNAME QUIZ?

Did you ever collect all those state quarters? Put them to good use on this quiz about curious state monikers and the facts around them.
Question 1 of 8
Mississippi’s nickname comes from the magnificent trees that grow there. What is it?

Origin of sentry

1605–15; short for sentrinel, variant of sentinel
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for sentry

British Dictionary definitions for sentry

sentry
/ (ˈsɛntrɪ) /

noun plural -tries

a soldier who guards or prevents unauthorized access to a place, keeps watch for danger, etc
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