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sentry

Pronunciation: /ˈsɛn.tɹi/

The English word “sentry” has 5 meanings listed here.

noun

  1. A guard, particularly on duty at the entrance to a military base.
  2. Sentry duty; time spent being a sentry.
  3. A form of drag to be towed underwater, which on striking bottom is upset and rises to the surface.
  4. A watchtower.
  5. An animal like a marmot tasked with alerting the pack to danger.

Etymology

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”).

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Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.