The Collaborative International Dictionary
KO'd
KO'd \KO'd\ adj. [from KO, v. t.] rendered unconscious, usually by a blow.
Syn: knocked out(predicate), kayoed, out(predicate), stunned.
KO'd
KO \KO\ v. t. [imp. & p. p. KO'd; p. pr. & vb. n. KO'ing.] To knock out; to deliver a blow that renders (the opponent) unconscious; -- used especially in boxing. [acronym]
Syn: knockout.
WordNet
ko'd
See ko