Dictionary
KO
Pronunciation: (
—n.kā'ō', kā'ō";
—v.kā'ō'), [key]
—n., pl. KO's,
—v., KO'd, KO'ing.
Slang.
—
n.
a knockout in boxing.
—
v.t.
to knock unconscious, esp. in a boxing match; knock out.
Also,K.O.,k.o.,kayo.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.