trepan
(redirected from trapans)tre·pan 1
(trĭ-păn′)n.
1. A rock-boring tool used in mining for sinking shafts.
2. Medicine A trephine.
tr.v. tre·panned, tre·pan·ning, tre·pans
1. To bore (a shaft) with a trepan.
2. To bore or otherwise make a hole in (the skull), as in certain prehistoric cultures or in surgery using a trephine.
[Middle English trepane, surgical crown saw, from Medieval Latin trepanum, from Greek trūpanon, borer, from trūpān, to pierce, from trūpē, hole; see terə- in Indo-European roots.]
trep′a·na′tion (trĕp′ə-nā′shən) n.
tre·pan 2
(trĭ-păn′) Archaictr.v. tre·panned, tre·pan·ning, tre·pans
To trap; ensnare.
n.
1. A trickster.
2. A trick or snare.
[Origin unknown.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
trepan
(trɪˈpæn)n
1. (Surgery) surgery an instrument resembling a carpenter's brace and bit formerly used to remove circular sections of bone (esp from the skull). Compare trephine
2. (Tools) a tool for cutting out circular blanks or for making grooves around a fixed centre
3. (Mechanical Engineering)
a. the operation of cutting a hole with such a tool
b. the hole so produced
vb (tr) , -pans, -panning or -panned
4. (Mechanical Engineering) to cut (a hole or groove) with a trepan
5. (Surgery) surgery another word for trephine
[C14: from Medieval Latin trepanum rotary saw, from Greek trupanon auger, from trupan to bore, from trupa a hole]
trepanation n
treˈpanner n
trepan
(trɪˈpæn) ortrapan
vb (tr) , -pans, -panning or -panned
1. to entice, ensnare, or entrap
2. to swindle or cheat
n
a person or thing that traps
[C17: of uncertain origin]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
tre•pan1
(trɪˈpæn)n., v. -panned, -pan•ning. n.
1. a tool for cutting shallow holes by removing a core.
v.t. 2. to cut circular disks from (plate stock) using a rotating cutter.
3. to operate on surgically with a trephine.
[1350–1400; Middle English trepane < Middle French trepan crown saw < Medieval Latin trepanum < Greek trypanon borer, akin to trŷpa hole, trȳpân to bore]
trep•a•na•tion (ˌtrɛp əˈneɪ ʃən) n.
tre•pan′ner, n.
tre•pan2
(trɪˈpæn)n., v. -panned, -pan•ning. Archaic. n.
1. a trickster.
2. a snare.
v.t. 3. to ensnare or entrap.
[1635–45; earlier trapan= trap1 + -an, of uncertain orig.]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
trepan
Past participle: trepanned
Gerund: trepanning
| Imperative |
|---|
| trepan |
| trepan |
Collins English Verb Tables © HarperCollins Publishers 2011
ThesaurusAntonymsRelated WordsSynonymsLegend:
| Noun | 1. |  trepan - a surgical instrument used to remove sections of bone from the skullsurgical instrument - a medical instrument used in surgery |
| 2. |  trepan - a drill for cutting circular holes around a centerdrill - a tool with a sharp point and cutting edges for making holes in hard materials (usually rotating rapidly or by repeated blows) | |
| Verb | 1. |  trepan - cut a hole with a trepan, as in surgerysurgical operation, surgical procedure, surgical process, surgery, operation - a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body; "they will schedule the operation as soon as an operating room is available"; "he died while undergoing surgery" |
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
trepan
n. trépano, instrumento usado en la trepanación;
v. trepanar, perforar el cráneo con un trépano.
English-Spanish Medical Dictionary © Farlex 2012