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trepan

 - 6 dictionary results
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tre⋅pan

1  [tri-pan] noun, verb, -panned, -pan⋅ning.
Use trepan in a Sentence
–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)
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; (n.) ME trepane < MF trepan crown saw < ML trepanum < Gk trȳ́panon borer, akin to trŷpa hole, trȳpân to bore; (v) late ME trepanen, deriv. of the n.

Related forms:
trep⋅a⋅na⋅tion  [trep-uh-ney-shuhn] , noun
tre⋅pan⋅ner, noun
TBT Gundrilling Division
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tre⋅pan

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

Origin:
1635–45; earlier trapan, equiv. to trap 1 + -an < ?

Related forms:
trep⋅a⋅na⋅tion  [trep-uh-ney-shuhn] , noun
tre⋅pan⋅ner, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To trepan
tre·pan 1   (trĭ-pān')   
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. Medicine To trephine.


[Middle English trepane, surgical crown saw, from Medieval Latin trepanum, from Greek trūpanon, borer, from trūpān, to pierce, from trūpē, hole; see terə-1 in Indo-European roots.]
trep'a·na'tion (trěp'ə-nā'shən) n.
tre·pan 2   (trĭ-pān')   
tr.v.   tre·panned also tra·panned, tre·pan·ning also tra·pan·ning, tre·pans also tra·pans
To trap; ensnare.
n.  

  1. A trickster.

  2. A trick or snare.


[Origin unknown.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Word Origin & History

trepan  (v.)
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, © 2001 Douglas Harper
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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.
Cite This Source
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