Definition of trepan Trepan

tre•pan

We found 18 definitions of trepan from 5 different sources.

What does trepan mean?

Noun Plural: trepans
trepan - a surgical instrument used to remove sections of bone from the skull
		trephine
		surgical instrument a medical instrument used in surgery
trepan - a drill for cutting circular holes around a center
		drill (military) the training of soldiers to march (as in ceremonial parades) or to perform the manual of arms
Verb trepans, trepanning, trepanned
trepan - cut a hole with a trepan, as in surgery
		bore, drill make a hole, especially with a pointed power or hand tool; "don't drill here, there's a gas pipe"; "drill a hole into the wall"; "drill for oil"; "carpenter bees are boring holes into the wall"
		surgical operation, surgical procedure, surgical process, surgery, operation a room where a doctor or dentist can be consulted; "he read the warning in the doctor's surgery"

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trepan (Noun)
A tool used to bore through rock when sinking shafts.
trepan (Noun)
A surgical instrument used to remove a circular section of bone from the skull; a trephine.
trepan (Noun)
A trickster.
trepan (Verb)
To create a large hole by making a narrow groove outlining the shape of the hole and then removing the plug of material remaining by less expensive means.
trepan (Verb)
To use a trepan; to trephine.
trepan (Verb)
To trick; to ensnare; to seduce.

trepan (n.)
A crown-saw or cylindrical saw for perforating the skull, turned, when used, like a bit or gimlet. See Trephine.
trepan (n.)
A kind of broad chisel for sinking shafts.
trepan (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.
trepan (n.)
A snare; a trapan.
trepan (n.)
a deceiver; a cheat.
trepan (v. t.)
To insnare; to trap; to trapan.

trepan
trē-pan′, v.t. to ensnare:—pr.p. trepan′ning: pa.t. and pa.p. trepanned′. [Same as trapan, of which it is an erroneous spelling.]
trepan
trē-pan′, 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. [Fr.,—Low L. trepanum—Gr. trypănon—trypan, to bore.]