eventration

from The Century Dictionary.

• noun In medicine: The condition of a monster in which the abdominal viscera are contained in a membranous sac projecting from the abdomen.
• noun Ventral hernia.
• noun The pendulous condition of the lower abdomen in some women who have borne many children.
• noun The escape of a considerable part of the intestine from a wound of the abdomen.

from the GNU version of the Collaborative International Dictionary of English.

• noun A tumor containing a large portion of the abdominal viscera, occasioned by relaxation of the walls of the abdomen.
• noun A wound, of large extent, in the abdomen, through which the greater part of the intestines protrude.
• noun The act of disemboweling.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun medicine A tumour containing a large portion of the abdominal viscera, caused by relaxation of the walls of the abdomen.
• noun medicine A large wound in the abdomen, through which the greater part of the intestines protrude.
• noun The act af disembowelling.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun protrusion of the intestine through the abdominal wall