Definitions of trephine
n. - An instrument for trepanning, being an improvement on the trepan. It is a circular or cylindrical saw, with a handle like that of a gimlet, and a little sharp perforator called the center pin. 2
v. t. - To perforate with a trephine; to trepan. 2
The word "trephine" uses 8 letters: E E H I N P R T.
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