sentry
noun
\
Definition of sentry
Keep scrolling for more
Synonyms for sentry
Synonyms
custodian, guard, guardian, keeper, lookout, minder, picket, sentinel, warden, warder, watch, watcher, watchman
Visit the Thesaurus for More
Examples of sentry in a Sentence
Recent Examples on the Web
Until there are more such officers throughout the state, the sentry program is a way to protect students, Ivey said. — Madison Park, CNN, "Alabama will allow trained school administrators to be armed," 1 June 2018 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 2018These 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.
Keep scrolling for more
Keep scrolling for more
More Definitions for sentry
sentry
noun
English Language Learners Definition of sentry
: a soldier who guards a door, gate, etc.
See the full definition for sentry in the English Language Learners Dictionary
sentry
noun
\
Kids Definition of sentry
: a person (as a soldier) on duty as a guard
Keep scrolling for more
Comments on sentry
What made you want to look up sentry? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Great Scrabble Words—A Quiz
-
- Which of the following Q-without-U words means the number five in cards or dice?
Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
-
Great Scrabble Words—A Quiz
Words to improve your Scrabble game
Take the quiz -
Which Came First? Quiz
Do you know which word is older?
Take the quiz -
True or False?
Test your knowledge - and maybe learn something along the way.
Take the quiz -
SCRABBLE® Sprint
SCRABBLE® fans, sharpen your skills!
Play the game
Share sentry
Resources for sentry