- 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.
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
Examples from the Web for sentries
When I stepped through the gate, I could see the sentries asleep in their guard-rooms.The Chinese Fairy Book
I walked up along the line and had talks with some of the sentries.
Only the long, slow moving line of the figures of sentries was to be seen.
Then I saw that along the edge there were sentries set at intervals.Things as They Are
Make one for a straight trail to the border, and all sentries asleep!The Treasure Trail
Marah Ellis Ryan
- a soldier who guards or prevents unauthorized access to a place, keeps watch for danger, etc
- the watch kept by a sentry
C17: perhaps shortened from obsolete centrinel, C16 variant of sentinel
Word Origin and History for sentries
Online Etymology Dictionary, © 2010 Douglas Harper