trephine noun & verb.
[trɪ'fʌɪn, -'fi:n] E17.[from Latin tres fines three ends, app. alt. partly after TREPAN noun1.]Medicine.
A. noun.
1. An improved form of trepan with a transverse handle and a guiding centre-pin.
E17.2. =
trephination.
M20.b. verb trans. & intrans. Operate (on) with a trephine.
E19. ■ trephi'nation noun the operation of trephining
L19. [TahlilGaran] English Dictionary ▲