Trepan

[tri'pæn]

Definition

(noun.) a drill for cutting circular holes around a center.

(noun.) a surgical instrument used to remove sections of bone from the skull.

(verb.) cut a hole with a trepan, as in surgery.

Inputed by Jackson--From WordNet

Definition

(n.) A crown-saw or cylindrical saw for perforating the skull, turned, when used, like a bit or gimlet. See Trephine.

(n.) A kind of broad chisel for sinking shafts.

(v. t. & i.) 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.

(n.) A snare; a trapan.

(n.) a deceiver; a cheat.

(v. t.) To insnare; to trap; to trapan.

Edited by Eileen

Synonyms and Synonymous

v. a. [1]. Trephine.[2]. Insnare, trap, entrap, trapan.

Edited by Carlos

Definition

n. (surg.) a small cylindrical saw used in perforating the skull: a powerful rock-boring tool.—v.t. to remove a circular piece of the skull with a trepan in order to relieve the brain from pressure or irritation.—ns. Trepanā′tion Trepan′ning; Trepan′ner.

v.t. to ensnare:—pr.p. trepan′ning: pa.t. and pa.p. trepanned′.

Checker: Steve