/ Dictionary / Index I IRC: Meaning and Definition of Find definitions for: IRC Pronunciation: [key] Internal Revenue Code. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. IRBM ire 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