/ Dictionary / Index K KY: Meaning and Definition of Find definitions for: KY Pronunciation: [key] Kentucky (approved esp. for use with zip code). Ky. Pronunciation: [key] Kentucky. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ky (Thesaurus) KWIC kyack Related Content Daily Word Quiz: garrulous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language