/ Dictionary / Index G gallstone: Meaning and Definition of Find definitions for: gall•stone Pronunciation: (gôl'stōn"), [key] — n. an abnormal stonelike mass, usually of cholesterol, formed in the gallbladder or bile passages. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: gallstone (Thesaurus) gallows tree Gallup Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language