meaning of sentinel
1. 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.
2. Watch; guard.
3. A marine crab (Podophthalmus vigil) native of the Indian Ocean, remarkable for the great length of its eyestalks; -- called also sentinel crab.
4. To watch over like a sentinel.
5. To furnish with a sentinel; to place under the guard of a sentinel or sentinels.
6. a person employed to watch for something to happen
Related Words
sentinel | sentineled | sentineling | sentinelled | sentinelling |