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Webster 1913 Edition
Trepan
Tre-pan′
,Noun.
[F.
trépan
(cf. Sp. trépano
, It. trepano
, trapano
), LL. trepanum
, fr. Gr. [GREEK] a borer, auger, trepan, fr. [GREEK] to bore, [GREEK] a hole. Cf. Trephine
.] 1.
(Surg.)
A crown-saw or cylindrical saw for perforating the skull, turned, when used, like a bit or gimlet. See
Trephine
. 2.
(Mining)
A kind of broad chisel for sinking shafts.
Tre-pan′
,Verb.
T.
& I.
[
imp. & p. p.
Trepanned
; p. pr. & vb. n.
Trepanning
.] [Cf. F.
trépaner
. See Trepan
a saw.] (Surg.)
To perforate (the skull) with a trepan, so as to remove a portion of the bone, and thus relieve the brain from pressure or irritation; to perform an operation with the trepan.
1.
A snare; a trapan.
Snares and
trepans
that common life lays in its way. South.
2.
a deceiver; a cheat.
He had been from the beginning a spy and a
trepan
. Macaulay.
Tre-pan′
,Verb.
T.
To insnare; to trap; to trapan.
Guards even of a dozen men were silently
trepanned
from their stations. De Quincey.
Webster 1828 Edition
Trepan
TREPAN'
,Noun.
TREPAN'
,Verb.
T.
Trepan, a snare, and trepan, to ensnare, are from trap, and written trepan, which see.