- Inflections of 'trephine' (v): (⇒ conjugate)
- v 3rd person singular
- v pres pverb, present participle: -ing verb used descriptively or to form progressive verb--for example, "a singing bird," "It is singing."
- v pastverb, past simple: Past tense--for example, "He saw the man." "She laughed."
- v past pverb, past participle: Verb form used descriptively or to form verbs--for example, "the locked door," "The door has been locked."
WordReference Random House Unabridged Dictionary of American English © 2020
(tri fīn′, -fēn′),USA pronunciation n., v., -phined, -phin•ing. [Surg.]n.
- a small circular saw with a center pin mounted on a strong hollow metal shaft to which is attached a transverse handle: used in surgery to remove circular disks of bone from the skull.
(tri fīn′, -fēn′),USA pronunciation , n.
- to operate upon with a trephine.
- 1620–30; spelling, spelled variant of trefine, origin, originally trafine, blend of, blended trapan (variant of trepan1) and Latin phrase trēs fīnēs three ends (the inventor's explanation)
Collins Concise English Dictionary © HarperCollins Publishers::
trephine /trɪˈfiːn/ n
- a surgical sawlike instrument for removing circular sections of bone, esp from the skull
Also called: trepan Etymology: 17th Century: from French tréphine, from obsolete English trefine trepan1, allegedly from Latin trēs fīnēs literally: three ends; influenced also by English trepane trepan1trephination /ˌtrɛfɪˈneɪʃən/ n
- (transitive) to remove a circular section of bone from (esp the skull)
'trephine' also found in these entries: