Tre*phine" [A dim. of 1st trepan: cf. F. tr'ephine.] Surg.

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.

 

© Webster 1913.


Tre*phine", v. t. [imp. & p. p. Trephined (?); p. pr. & vb. n. Trephining.]

To perforate with a trephine; to trepan.

 

© Webster 1913.

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