1) Lithotomy 
<procedure> Operative removal of a gallstone. ... Origin: chole-+ G. Lithos, stone, + tome, incision ... (05 Mar 2000) ... 
(ko″lә-lĭ-thot´ә-me) incision of the biliary tract for removal of gallstones; it may be either in the gallbladder (cholecystolithotomy) or in the common bile duct (choledocholithotomy).
Type: Term Pronunciation: kō′lē-li-thot′ō-mē Definitions: 1. Operative removal of a gallstone.
[n] - removal of gallstone through an incision in the gallbladder
noun removal of gallstone through an incision in the gallbladder