• Trephine Definition & Synonyms
- (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.
- (v. t.) To perforate with a trephine; to trepan.
• Trephined Definition & Synonyms
- (imp. & p. p.) of Trephine