/ Dictionary / Index I IBC: Meaning and Definition of Find definitions for: IBC Pronunciation: [key] international business company. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. I-bar IBD Related Content Daily Word Quiz: diaphanous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language