t.k.o

TKO

Also, T.K.O.
Dictionary.com Unabridged

technical knockout

noun Boxing.
the termination of a bout by the referee when it is the judgment of the attending physician, a boxer's seconds, or the referee that a boxer cannot continue fighting without sustaining severe or disabling injury. Abbreviation: TKO, T.K.O.

Origin:
1945–50

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
technical knockout
 
n
boxing a judgment of a knockout given when a boxer is in the referee's opinion too badly beaten to continue without risk of serious injury

TKO
 
abbreviation for
technical knockout

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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American Heritage
Abbreviations & Acronyms
TKO
  1. technical knockout

  2. to keep [vein] open

The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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