cholecystotomy

from The Collaborative International Dictionary of English v.0.48

Cholecystotomy \Chol`e*cys*tot"o*my\, n. [Cholecystis + Gr.
   te`mnein to cut.] (Surg.)
   The operation of making an opening in the gall bladder, as
   for the removal of a gallstone.
   [1913 Webster]