Breadcrumb Home > Dictionary > Index K KO: Meaning and Definition of Find definitions for: KO Pronunciation: (n.kā'ō', kā'ō"v.kā'ō'), [key] — n., pl. v., KO's, KO'd, KO'ing. —n. a knockout in boxing. —v.t. to knock unconscious, esp. in a boxing match; knock out. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ko (Thesaurus) Knut koa TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: recherch Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language