Sentinel

Quick meaning: Sentinel is a noun meaning A sentry, watch, or guard.

Meaning

A sentry, watch, or guard.

More Meanings

1. (computer science) A unique value recognised by a computer program for processing in a special way, or marking the end of a set of data.
2. A sentinel crab.
3. (attributive, medicine, epidemiology) A sign of a health risk (e.g. a disease, an adverse effect).
4. (transitive) To watch over as a guard.
5. (transitive) To post a guard for.
6. (obsolete) A private soldier.

Example Sentences

He sentineled the north wall.

that princes do keep due sentinel

the sentinels who paced the ramparts

[…] a sentinel value that indicates a missing entry.

Word Forms

• sentinels
• sentineling
• sentinelling
• sentineled
• sentinelled

Synonyms for sentinel

Depending on context, synonyms include sentry, scout, picket, watch, lookout.

Related Words

Related dictionary entries include sentry, scout, picket, lookout, watch, guard.

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