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Added 9 October 2026

sentry

/ˈsɛn.tɹi/ noun

Latin root: semitarius Wiktionary

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about sentry at Wordnik → Where our words come from →

A person employed to keep watch for some anticipated event.

Origin

From earlier sentrie, sentery, of uncertain origin. Perhaps an alteration of sentinel or sanctuary; or perhaps from Old French senteret (“a path”), diminutive of sentier, from Medieval Latin semitarius (“a path”).

From Wiktionary, via Kaikki.org (CC BY-SA)

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