Definify.com
Webster 1913 Edition
Sentinel
Sen′ti-nel
,Noun.
[F.
sentinelle
(cf. It. sentinella
); probably originally, a litle path, the sentinel’s beat,, and a dim. of a word meaning, path; cf. F. sente
path. L. semita
; and OF. sentine
, sentele
, senteret
, diminutive words. Cf. Sentry
.] 1.
One who watches or guards; specifically
(Mil.)
, a soldier set to guard an army, camp, or other place, from surprise, to observe the approach of danger, and give notice of it; a sentry. The
sentinels
who paced the ramparts. Macaulay.
2.
Watch; guard.
[Obs.]
“That princes do keep due sentinel.” Bacon.
3.
(Zool.)
A marine crab (
Podophthalmus vigil
) native of the Indian Ocean, remarkable for the great length of its eyestalks; – called also sentinel crab
. Sen′ti-nel
,Verb.
T.
[
imp. & p. p.
Sentineled
or Sentinelled
; p. pr. & vb. n.
Sentineling
or Sentinelling
.] 1.
To watch over like a sentinel.
“To sentinel enchanted land.” [R.]
Sir W. Scott.
2.
To furnish with a sentinel; to place under the guard of a sentinel or sentinels.
Webster 1828 Edition
Sentinel
SENT'INEL
,Noun.