/ Dictionary / Index G gum myrtle: Meaning and Definition of Find definitions for: gum' myr"tle Pronunciation: [key] any of several trees of the genus Angophora, native to Australia, allied to and resembling the eucalyptus. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. gummy gump Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language