sentry

noun

sen·​try ˈsen-trē How to pronounce sentry (audio)
plural sentries
: guard, watch
especially : a soldier standing guard at a point of passage (such as a gate)

Examples of sentry in a Sentence

The general placed an armed sentry at the bridge. a sentry posted to watch for intruders
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The snout of a curious whale and the muzzle of a four-legged sentry came oh-so close. Alexis Simendinger, The Hill, 7 Apr. 2025 In the early hours of April 21, 1775, gale-force winds whipped across the town square, driving the shivering sentries from their posts to the shelter of their beds. Andrew Lawler, Smithsonian Magazine, 2 Apr. 2025 Sal had to remind me to pace back and forth, like a sentry in a video game, to keep my legs from locking up. Kent Russell, Harper's Magazine, 28 Feb. 2025 Intimidating sentries patrol the streets; snipers are merciless death machines. IEEE Spectrum, 14 Nov. 2014 See All Example Sentences for sentry

Word History

Etymology

perhaps from obsolete sentry sanctuary, watchtower

First Known Use

1608, in the meaning defined above

Time Traveler
The first known use of sentry was in 1608

Browse Nearby Words

Cite this Entry

“Sentry.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sentry. Accessed 13 Apr. 2025.

Kids Definition

sentry

noun
sen·​try ˈsen-trē How to pronounce sentry (audio)
plural sentries
: guard entry 1 sense 3a
especially : a soldier standing guard at a point of passage

More from Merriam-Webster on sentry

Last Updated: - Updated example sentences
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