Meaning of technical knockout

tech'nical knock'out

Pronunciation: [key]
— Boxing. Boxing.
  1. 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. Abbr.: TKO, T.K.O.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.