/ Dictionary / Index K Koyukon: Meaning and Definition of Find definitions for: Ko•yu•kon Pronunciation: (koi"y-kon', kä"-), [key] — n. a member of a North American Indian people living in the Yukon River valley in west-central Alaska. the Athabaskan language of the Koyukon. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. kowtow Kozani Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language