trepan
1 Americannoun
-
a tool for cutting shallow holes by removing a core.
-
Surgery. an obsolete form of the trephine resembling a carpenter's bit and brace.
verb (used with object)
-
Machinery. to cut circular disks from (plate stock) using a rotating cutter.
-
Surgery. to operate upon with a trepan; trephine.
noun
-
a person who ensnares or entraps others.
-
a stratagem; a trap.
verb (used with object)
-
to ensnare or entrap.
-
to entice.
-
to cheat or swindle.
noun
-
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
-
verb
-
to cut (a hole or groove) with a trepan
-
surgery another word for trephine
verb
-
to entice, ensnare, or entrap
-
to swindle or cheat
noun
Other Word Forms
- trapanation noun
- trapanner noun
- trepanation noun
- trepanner noun
Etymology
Origin of trepan1
First recorded in 1350–1400; Middle English noun trepane, from Middle French trepan “surgical crown saw,” from Medieval Latin trepanum, from Greek trȳ́panon “borer,”verb derivative of the noun
Origin of trepan2
First recorded in 1635–45; earlier trapan; of obscure origin; perhaps a derivative of trap 1
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Marshal Ney had a silver trepan in his skull, a bullet wound in his ankle.
From Time Magazine Archive
![]()
Fearful things: bonesaws, abdomen retractor, trocar and trepan.
From "The Devil in the White City" by Erik Larson
![]()
With his philibeg an’ tartan plaid, An’ gude claymore down by his side, The ladies’ hearts he did trepan, My gallant braw John Highlandman.
From The Complete Works of Robert Burns: Containing his Poems, Songs, and Correspondence. With a New Life of the Poet, and Notices, Critical and Biographical by Allan Cunningham by Burns, Robert
Ballad: The National Anthem A monarch is pestered with cares, Though, no doubt, he can often trepan them; But one comes in a shape he can never escape - The implacable National Anthem!
From Songs of a Savoyard by Gilbert, W. S. (William Schwenck), Sir
The royal physicians were called in; and after a stormy consultation, in which the doctors differed, as usual, as to the remedies to be applied, it was determined to trepan the patient.
From History of the Reign of Philip the Second, King of Spain, Vols. 1 and 2 by Prescott, William Hickling
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.