sentinel
noun
, ˈsen-tə-nəl\
Definition of sentinel
(Entry 1 of 2)
sentinel
verbDefinition of sentinel (Entry 2 of 2)
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Synonyms for sentinel
Synonyms: Noun
custodian, guard, guardian, keeper, lookout, minder, picket, sentry, warden, warder, watch, watcher, watchman
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Examples of sentinel in a Sentence
Noun
a lone sentinel kept watch over the fortRecent Examples on the Web: Noun
Testing showed no spread of cancer to Dennis’ blood or sentinel lymph nodes, a first stop for cancer that spreads outside the breast. — Meredith Cohn, baltimoresun.com, "Patient with terminal cancer sues University of Maryland St. Joseph Medical Center over her care," 28 Aug. 2019 The shape-shifting materials could be used to deliver drugs, and to create sentinels for almost any biological signal, researchers report in Science on 22 August1. — Ewen Callaway, Scientific American, "Gene Editing Transforms Gel into Shape-Shifting Smart Material," 23 Aug. 2019These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sentinel.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for sentinel
sentinel
noun
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Kids Definition of sentinel
sentinel
adjective
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Medical Definition of sentinel
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