/ Dictionary / Index K Kosti: Meaning and Definition of Find definitions for: Kos•ti Pronunciation: (kôs'tē), [key] — n. a city in E central Sudan, on the White Nile. 47,000. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Kostelanetz Kostroma Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language