/ Dictionary / Index I ilio-: Meaning and Definition of Find definitions for: ilio- Pronunciation: [key] a combining form representingin compound words: iliofemoral. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Iliescu Ilion Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language