/ Dictionary / Index I ironbark: Meaning and Definition of Find definitions for: i•ron•bark Pronunciation: (ī'urn-bärk"), [key] — n. any of the various Australian eucalyptuses having a hard, solid bark. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. iron ammonium oxalate iron blue 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