Trepan

Definition of Trepan

Tre`pan´
n.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.
v. t. & i.1.(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.
[imp. & p. p. Trepanned ; p. pr. & vb. n. Trepanning.]
n.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.
v. t.1.To insnare; to trap; to trapan.
Guards even of a dozen men were silently trepanned from their stations.
- De Quincey.

Related Words

bore, drill, operation, surgery, surgical operation, surgical procedure, surgical process, trephine
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