sentry

noun sen·try \ ˈsen-trē \

|Updated on: 13 Aug 2018

Examples: sentry in a Sentence

Definition of sentry

plural sentries

: guard, watch; especially : a soldier standing guard at a point of passage (such as a gate)

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Examples of sentry in a Sentence

The general placed an armed sentry at the bridge.
a sentry posted to watch for intruders

Recent Examples of sentry from the Web

The foot guide passed along the all-clear signal from the sentries in the trees, and a small group of migrants began to sprint toward a 18-foot steel security fence blocking their passage into the United States.

— nicholas kulish, BostonGlobe.com, "Desperation led migrant to face perils, and price, of smuggling," 1 July 2018
The researchers propose that a weakening of the immune system may explain the many perils of L.O.Y. When white blood cells that serve as immune sentries lose their Y chromosome, Dr. Dumanski said, their surveillance skills falter.

— natalie angier, New York Times, "Secrets of the Y Chromosome," 11 June 2018
Since the 1920s, Hale has stood sentry as visitors entered the museum.

— susan dunne, courant.com, "The Sculptures Outside The Wadsworth, Explained," 9 July 2018
These robots could also act as sentries, placed in positions in advance set in surveillance mode, and ready to swing into action when enemy tanks begin rolling towards them.

— allison barrie, Fox News, "Tank-killing robot revealed," 22 June 2018
Early in the morning, sentries posted outside town sounded a prearranged signal — a blast from a stick of dynamite — and the raid was on.

— john d'anna, azcentral, "Think child separations are unprecedented? Here are 3 heartbreaking examples from history," 21 June 2018
Her boyfriend, who was sitting in a car the woman had been driving, witnessed the crash, as did sentries at the Naval Amphibious Base, police Capt.

— pauline repard, sandiegouniontribune.com, "Woman hit by pickup, killed, on Silver Strand in Coronado," 15 June 2018
For decades the water tower has stood sentry above a gravel lot, falling into inevitable decline.

— gregg doyel, Indianapolis Star, "Doyel: Facelift for iconic water tower a reminder of what Milan Miracle means," 9 June 2018
Ben Reisz is a retired Army colonel who commanded a sentry dog company, the 595th, which was part of the 504th MP battalion in Vietnam.

— kyle ringo, Houston Chronicle, "San Antonio’s Vietnam Veterans Memorial built with thousands of small contributions," 27 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sentry.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.