trepanned

trepan

1 [trih-pan]
noun
1.
a tool for cutting shallow holes by removing a core.
2.
Surgery. an obsolete form of the trephine resembling a carpenter's bit and brace.
verb (used with object), trepanned, trepanning.
3.
Machinery. to cut circular disks from (plate stock) using a rotating cutter.
4.
Surgery. to operate upon with a trepan; trephine.

Origin:
1350–1400; (noun) Middle English trepane < Middle French trepan crown saw < Medieval Latin trepanum < Greek trȳ́panon borer, akin to trŷpa hole, trȳpân to bore; (v) late Middle English trepanen, derivative of the noun

trepanation [trep-uh-ney-shuhn] , noun
trepanner, noun
Dictionary.com Unabridged

trepan

2 [trih-pan] , Archaic.
noun
1.
a person who ensnares or entraps others.
2.
a stratagem; a trap.
verb (used with object), trepanned, trepanning.
3.
to ensnare or entrap.
4.
to entice.
5.
to cheat or swindle.
Also, trapan.


Origin:
1635–45; earlier trapan, equivalent to trap1 + -an < ?

trepanation [trep-uh-ney-shuhn] , noun
trepanner, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
trepan1 (trɪˈpæn)
 
n
1.  surgery Compare trephine an instrument resembling a carpenter's brace and bit formerly used to remove circular sections of bone (esp from the skull)
2.  a tool for cutting out circular blanks or for making grooves around a fixed centre
3.  a.  the operation of cutting a hole with such a tool
 b.  the hole so produced
 
vb , -pans, -panning, -panned
4.  to cut (a hole or groove) with a trepan
5.  surgery another word for trephine
 
[C14: from Medieval Latin trepanum rotary saw, from Greek trupanon auger, from trupan to bore, from trupa a hole]
 
trepanation1
 
n
 
tre'panner1
 
n

trepan or archaic trapan2 (trɪˈpæn, trəˈpæn)
 
vb , -pans, -panning, -panned
1.  to entice, ensnare, or entrap
2.  to swindle or cheat
 
n
3.  a person or thing that traps
 
[C17: of uncertain origin]
 
trapan or archaic trapan2
 
vb
 
n
 
[C17: of uncertain origin]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

trepan
c.1400, from Fr. trépaner (14c.), from M.L. trepanum "a saw for cutting out small pieces of bone from the skull," from Gk. trypanon, from trypan "to bore," related to trype "hole" (cf. O.C.S. truplu "hollow"), from PIE base *tere- "to rub, turn."
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

trepan tre·pan (trĭ-pān')
n.
A trephine. v. tre·panned, tre·pan·ning, tre·pans
To trephine.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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