/ Dictionary / Index I IOC: Meaning and Definition of Find definitions for: IOC Pronunciation: [key] International Olympic Committee. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Iobates iod- 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