/ Dictionary / Index W white gum: Meaning and Definition of Find definitions for: white' gum' Pronunciation: [key] any of various Australian eucalyptuses having a whitish bark. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. white-ground white-haired Related Content Daily Word Quiz: supercilious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language