Dictionary 1. (a.) Of or pertaining to the middle region Of the abdomen, or Of the stomach.2. (a.) of or pertaining to the mesogaster. 3. (a.) of or pertaining to the middle gastric lobe of the carapace of a crab. Thesaurus anal appendical big-bellied cardiac cecal celiac colic colonic coronary duodenal enteric gastric ileac intestinal jejunal mesogastric pyloric rectal splanchnic stomachal stomachic ventral ventricular visceral |