sentinel

Meanings

Noun

a person employed to keep watch for some anticipated event
A sentry, watch, or guard.
A private soldier.
A unique value recognised by a computer program for processing in a special way, or marking the end of a set of data.
A sentinel crab.
A sign of a health risk (e.g. a disease, an adverse effect).

Verb

To watch over as a guard.
To post a guard for.

Origin / Etymology

1570s, from Middle French sentinelle, from Old Italian sentinella (perhaps via a notion of "perceive, watch", compare Italian sentire (“to feel, hear, smell”)), from Latin sentiō (“feel, perceive by the senses”). See sense, sentient.

Synonyms

lookout, lookout man, picket, scout, sentry, spotter, watch

Scrabble Score: 8

sentinel is a valid Scrabble (US) TWL word
sentinel is a valid Scrabble Word in Merriam-Webster MW Dictionary
sentinel is a valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 11

sentinel is a valid Words With Friends word