Sentry meaning

sĕntrē
Frequency:
The duty of a sentry; watch.
noun
3
0
A sentinel; esp., any of the men of a military guard posted to guard against, and warn of, danger.
noun
2
0
(now rare) Guard or watch.

To keep sentry.

noun
1
0
A guard, particularly on duty at the entrance to a military base.
noun
0
0
(uncountable) Sentry duty; time spent being a sentry.
noun
0
0
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A guard, especially a soldier posted at a given spot to prevent the passage of unauthorized persons.
noun
0
1

Origin of sentry

  • Perhaps alteration of obsolete sentrinel variant of sentinel

    From American Heritage Dictionary of the English Language, 5th Edition