Definition of Sentinel

  • (n.) One who watches or guards; specifically (Mil.), a soldier set to guard an army, camp, or other place, from surprise, to observe the approach of danger, and give notice of it; a sentry.
  • (n.) Watch; guard.
  • (n.) A marine crab (Podophthalmus vigil) native of the Indian Ocean, remarkable for the great length of its eyestalks; -- called also sentinel crab.
  • (v. t.) To watch over like a sentinel.
  • (v. t.) To furnish with a sentinel; to place under the guard of a sentinel or sentinels.

Antonyms of Sentinel


No Antonyms Found.

Homophones of Sentinel


No Homophones Found.