technical knockout definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
Boxing a victory won when the opponent, though not knocked out, is so badly hurt that the referee stops the match
technical knockout definition by American Heritage Dictionary
noun Abbr. TKO
A victory in boxing, with immediate termination of the match, awarded by the referee when it appears that one fighter is too badly injured to continue.