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Webster 1913 Edition

Noun.

A concretion, or calculus, formed in the gall bladder or biliary passages. See

Noun.

, 1.

Noun.

A concretion formed in the gallbladder.

See also: gall stone

gallstone ‎(plural gallstones)

(medicine) A small, hard object, in the shape of a pebble, that sometimes forms in the gallbladder or bile duct; composed of cholesterol, bile pigments and calcium salts.

small, hard object, that sometimes forms in the gallbladder