verb (used with object), tre·phined, tre·phin·ing.
Origin of trephine
Related formstreph·i·na·tion [tref-uh-ney-shuh n] /ˌtrɛf əˈneɪ ʃən/, noun
Examples from the Web for trephine
Briefly, the instrument consists of a brass tube, which is screwed into a round hole made in the skull with a trephine.Sleep and Its Derangements|William A. Hammond
The trephine used should be three-quarters of an inch to one inch in diameter according as the patient is a child or an adult.
If a fracture is found the surgeon should trephine so as to relieve the brain of any pressure of blood that might be affecting it.Old-Time Makers of Medicine|James J. Walsh
The suffusion of the brain will increase quickly, so we must trephine at once or it may be too late.Dracula|Bram Stoker
Hippocrates, we have seen, uses the words and to denote the trephine.Surgical Instruments in Greek and Roman Times|John Stewart Milne