i Register
In some senses, sentinel is marked as obsolete. Watch for register when choosing this word.
sentinel
UK /ˈsɛn.tɪ.nəl/ US /ˈsɛn.tɪ.nəl/
noun 5name 4verb 2
Definitions
noun
1
A sentry, watch, or guard.
They promised faithfully to bear their confinement with patience, and were very thankful that they had such good usage as to have provisions and light left them; for Friday gave them candles (such as we made ourselves) for their comfort; and they did not know but that he stood sentinel over them at the entrance.
the sentinels who paced the ramparts
2
A private soldier.
“I will not permit the poorest centinel to be treated with injustice.”
3
A unique value recognised by a computer program for processing in a special way, or marking the end of a set of data.
The tag is a sentinel that suspends web-page processing and displays the subsequent text literally
[…] a sentinel value that indicates a missing entry.
4
A sentinel crab.
5
A sign of a health risk (e.g. a disease, an adverse effect).
sentinel animals can be used to explore endemic diseases.
verb
1
To watch over as a guard.
He sentineled the north wall.
2
To post a guard for.
He sentineled the north wall with just one man.
The old-fashioned stoop, with its suggestive benches on either side, lay solitary and silent in the moonlight; the garden path, weedily overgrown since father's death, and sentineled here and there with ragged hollyhock, lay quiet and dew-laden […]
name
1
A place in the United States:
2
A place in the United States:
3
A place in the United States:
4
A place in the United States:
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