/ Dictionary / Index I Ille: Meaning and Definition of Find definitions for: Ille Pronunciation: (ēl), [key] — n. a river in Ille-et-Vilaine in W France, flowing S to Rennes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ill-disposed Ille-et-Vilaine Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language