释义 
		[ sen -tree ] SHOW IPA 
/ ˈsɛn tri / PHONETIC RESPELLING 
SEE SYNONYMS FOR sentry  ON THESAURUS.COM
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. 
Origin of sentry  1605–15; short for sentrinel,  variant of sentinel
Words nearby sentry  sentinel, sentinel animal, sentinel gland, sentinel pile, sentinel tag, sentry , sentry box, Senufo, Senussi, senwood, senza
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences 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| DAILY BEAST
I shared the sentiments of the Fatah sentry  who allowed me inside the walls of the Muqata in Ramallah.
I Traveled 6,000 Miles and a Lifetime to See the Pride Flag Fly at the U.S. Embassy in Israel | Jim Neal| June 30, 2014| DAILY BEAST
He looked up at the sentry  towers dotting the campus as the bus entered Kirkland.
Should Juvenile Criminals Be Sentenced Like Adults? | Clark Merrefield| November 26, 2012| DAILY BEAST
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| DAILY BEAST
The sentry  at the front gate has no mechanism to compel incoming vehicles to stop.
'Wide Open to Attack' | Jeff Stein| November 6, 2009| DAILY BEAST
Tobias had seemed impressed, and promised his answer in the morning, leaving her to sleep—with a sentry  at her cabin door.
Pieces of Eight | Richard le Gallienne
I felt puzzled and angered, and rode forward to question the French sentry .
Pushed and the Return Push | George Herbert Fosdike Nichols, (AKA Quex)
I told the sentry  I had been ordered to relieve him, and he handed over his musket without a word.
In the Days of Washington | William Murray Graydon
A sentry  had been placed at the gate of the Seraglio to prevent anyone who did not belong to the laboratory from entering.
This was explained at great length to the sentry , but made no impression on him whatever.
The Escaping Club | A. J. Evans
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British Dictionary definitions for  sentry 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
Words related to sentry sentinel, guard