Definition for TRE-PAN'

TRE-PAN', n. [Fr. trepan; It. trapano; Gr. τρυπανον, from τρυπαω, to bore; τρυπα, a hole; Qu. L. tero, terebra, on the root Rp.]

In surgery, a circular saw for perforating the skull. It resembles a wimble. Cyc.

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