English trephine meaning in English  •  trephine का अर्थ अंग्रेजी में

Noun

• 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.