- a tool for cutting shallow holes by removing a core.
- Surgery. an obsolete form of the trephine resembling a carpenter's bit and brace.
- Machinery. to cut circular disks from (plate stock) using a rotating cutter.
- Surgery. to operate upon with a trepan; trephine.
Origin of trepan1
- a person who ensnares or entraps others.
- a stratagem; a trap.
- to ensnare or entrap.
- to entice.
- to cheat or swindle.
Origin of trepan2
Examples from the Web for trepanned
It's trepanned he ought to be; and when there's an inquest on the body, I'll declare I said so.'Lord Kilgobbin
He trepanned the skull, which appears to have been a common operation in his day.Outlines of Greek and Roman Medicine
James Sands Elliott
"Trepanned" is a story of adventure in Virginia and the Spanish Main.Daisy's Aunt
E. F. (Edward Frederic) Benson
The one who nursed you till the first time they trepanned you.
She broke down the day before they trepanned you the second time.
- surgery an instrument resembling a carpenter's brace and bit formerly used to remove circular sections of bone (esp from the skull)Compare trephine
- a tool for cutting out circular blanks or for making grooves around a fixed centre
- the operation of cutting a hole with such a tool
- the hole so produced
- to cut (a hole or groove) with a trepan
- surgery another word for trephine
- to entice, ensnare, or entrap
- to swindle or cheat
- a person or thing that traps
Word Origin and History for trepanned
c.1400, from French trépaner (14c.), from Medieval Latin trepanum "a saw for cutting out small pieces of bone from the skull," from Greek trypanon, from trypan "to bore," related to trype "hole" (cf. Old Church Slavonic truplu "hollow"), from PIE root *tere- "to rub, turn" (see throw). Related: Trepanned; trepanning.
- A trephine.
- To trephine.