trepan 1 [ trih- pan ] SHOW IPA / trɪˈpæn / PHONETIC RESPELLING noun 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), tre·panned, tre·pan·ning. . Machinery to cut circular disks from (plate stock) using a rotating cutter. . Surgery to operate upon with a trepan; trephine. RELATED WORDS auger
countersink Origin of trepan 1 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 Related forms trep·a·na·tion , [trep- uh- ney-sh uh n] /ˌtrɛp əˈneɪ ʃən/ noun tre·pan·ner, noun trepan 2 [ trih- pan ] SHOW IPA / trɪˈpæn / PHONETIC RESPELLING . Archaic noun a person who ensnares or entraps others. a stratagem; a trap. verb (used with object), tre·panned, tre·pan·ning. to ensnare or entrap. to entice. to cheat or swindle.
tra·pan . [tr uh- pan] /trəˈpæn/ Origin of trepan 2 1635–45;
Related forms trep·a·na·tion, trap·a·na·tion , [trep- uh- ney-sh uh n] /ˌtrɛp əˈneɪ ʃən/ noun tre·pan·ner, tra·pan·ner, noun
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for trepan British Dictionary definitions for trepan 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 -pans, -panning or -panned (tr) to cut (a hole or groove) with a trepan Derived Forms trepanation ( ˌtrɛpəˈneɪʃən), noun trepanner, noun Word Origin for trepan
C14: from Medieval Latin
trepanum rotary saw, from Greek trupanon auger, from trupan to bore, from trupa a hole verb -pans, -panning or -panned (tr) to entice, ensnare, or entrap to swindle or cheat noun a person or thing that traps Word Origin for trepan
C17: of uncertain origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for trepan v.
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.
Online Etymology Dictionary, © 2010 Douglas Harper
Medicine definitions for trepan
The American Heritage® Stedman's Medical Dictionary
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