sentinel

¹sen·ti·nel

noun \ˈsent-nəl, ˈsen-tə-nəl\

Definition of SENTINEL

: sentry

Examples of SENTINEL

1. <a lone sentinel kept watch over the fort>

Origin of SENTINEL

Middle French sentinelle, from Old Italian sentinella, from sentina vigilance, from sentire to perceive, from Latin

First Known Use: 1579

Related to SENTINEL

Synonyms: custodian, guardian, keeper, lookout, minder, picket, guard, sentry, warden, warder, watch, watcher, watchman

Related Words: observer, patrol, spotter, surveillant, watchdog; bodyguard, convoy, defender, escort, honor guard; gatekeeper; hack [slang]

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Other Military Terms

bivouac, logistics, petard, salient, sally, supernumerary, tactical