evisceration /ivis′ərā″shən/ [L, ex + viscera, entrails] , 1. the removal of the viscera from the abdominal cavity; disembowelment. 2. the removal of the contents from an organ or the removal of an organ from its cavity. 3. the protrusion of an internal organ through a wound or surgical incision, especially in the abdominal wall. −eviscerate, v.