only 1 use
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Definition
someone who stands guard
- Though he was a good sentry, alert, ever ready to raise Cain, his valor had one flaw: let him glimpse a gun, as he did now-for the intruders were armed-and his head dropped, his tail turned in.1 — Last To See Them Alive (15% in)
There are no more uses of "sentry" in In Cold Blood.
Typical Usage
(best examples)