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trephine - Meaning and Examples

Meaning of 'trephine' (Webster Dictionary)

1 . 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 . Trephine [ v. t.]
- To perforate with a trephine; to trepan.