/ Dictionary / Index G gold mine: Meaning and Definition of Find definitions for: gold' mine" Pronunciation: [key] a mine yielding gold. a source of great wealth or profit, or any desirable thing. a copious source or reserve of something required: a gold mine of information about antiques. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: goldmine (Thesaurus) gold medal goldminer Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language