/ Dictionary / Index K koku: Meaning and Definition of Find definitions for: ko•ku Pronunciation: (kō'k Japn. kô'k&oobreve), [key] — pl. -ku. a Japanese unit of dry measure equivalent to 5.12 bushels (1.8 hectoliters). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. kok-saghyz Kokura Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language