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.
Watch; guard.
A marine crab (Podophthalmus vigil) native of the Indian Ocean, remarkable for the great length of its eyestalks; -- called also sentinel crab.
To watch over like a sentinel.
To furnish with a sentinel; to place under the guard of a sentinel or sentinels.
a person employed to watch for something to happen

Related Words

sentinel | sentineled | sentineling | sentinelled | sentinelling |

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