'Gallstone' definitions:

Definition of 'gallstone'

From: WordNet
noun
A calculus formed in the gall bladder or its ducts [syn: gallstone, bilestone]

Definition of 'Gallstone'

From: GCIDE
  • Gallstone \Gall"stone`\, n. A concretion, or calculus, formed in the gall bladder or biliary passages. See Calculus, n., 1. [1913 Webster]