- 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 sentry
We found that the Sentry safe which contained our footage had indeed been under water.Making 'The Dog': The Amazing True Story Behind ‘Dog Day Afternoon’
Allison Berg and Frank Keraudren
August 10, 2014
I shared the sentiments of the Fatah sentry who allowed me inside the walls of the Muqata in Ramallah.
He looked up at the sentry towers dotting the campus as the bus entered Kirkland.Should Juvenile Criminals Be Sentenced Like Adults?
November 26, 2012
The Sentry by Robert Crais The latest Joe Pike thrilling detective novel from New York Times bestselling author Robert Crais.This Week's Hot Reads
The Daily Beast
January 4, 2011
The sentry at the front gate has no mechanism to compel incoming vehicles to stop.'Wide Open to Attack'
November 6, 2009
While these were being spoken, outside a sentry had challenged: "Samama!"The Leopard Woman
Stewart Edward White
I said, "Were you not with the officer when he placed me on sentry last night?"
That was the first and last time that he ever left me on sentry all night.
No less inspiring was the revival of the Sentry on the 1st March 1917.
The Sentry blossomed as the first English paper of the country.
- 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
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
Online Etymology Dictionary, © 2010 Douglas Harper