Sentry

noun

/ˈsɛntɹi/

Word Frequency: 1.1

Definitions

1.nounA guard, particularly on duty at the entrance to a military base.

2.nounSentry duty; time spent being a sentry.

3.nounA form of drag to be towed underwater, which on striking bottom is upset and rises to the surface.

4.nounA watchtower.

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