gallstone

from WordNet (r) 3.0 (2006)
gallstone
    n 1: a calculus formed in the gall bladder or its ducts [syn:
         {gallstone}, {bilestone}]
    
from The Collaborative International Dictionary of English v.0.48
Gallstone \Gall"stone`\, n.
   A concretion, or calculus, formed in the gall bladder or
   biliary passages. See {Calculus}, n., 1.
   [1913 Webster]
    

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