Definitions for: Trepan


[n] a drill for cutting circular holes around a center
[n] a surgical instrument used to remove sections of bone from the skull
[v] cut a hole with a trepan; in surgery



Webster (1913) Definition: Tre*pan", n. [F. tr['e]pan (cf. Sp. tr['e]pano, It.
trepano, trapano), LL. trepanum, fr. Gr. ? a borer, auger,
trepan, fr. ? to bore, ? 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", v. t. & i. [imp. & p. p. Trepanned; p. pr.
& vb. n. Trepanning.] [Cf. F. tr['e]paner. 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.


Tre*pan", n. [See Trapan.]
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", v. t.
To insnare; to trap; to trapan.

Guards even of a dozen men were silently trepanned from
their stations. --De Quincey.

Synonyms: trephine

See Also: bore, drill, drill, surgical instrument

Try our:
Scrabble Word Finder

Scrabble Cheat

Words With Friends Cheat

Hanging With Friends Cheat

Scramble With Friends Cheat

Ruzzle Cheat



Related Resources:
animals starting with x
animlas that start with g