/ Dictionary / Index K kytoon: Meaning and Definition of Find definitions for: ky•toon Pronunciation: (kī-tn'), [key] — n. Meteorol. a captive balloon, combining the features of a balloon and a kite, used to maintain meteorological instruments at a fixed height. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Kythera Kyushu Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language