/ Dictionary / Index Y Yonne: Meaning and Definition of Find definitions for: Yonne Pronunciation: (yôn), [key] — n. a department in central France. 299,851; 2881 sq. mi. (7460 sq. km). Cap.: Auxerre. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Yonkers yoo-hoo Related Content Daily Word Quiz: effervescent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language