The enlarged, saclike portion of the alimentary canal, one of the principal organs of digestion, located in vertebrates between the esophagus and the small intestine. A similar digestive structure of many invertebrates. Any of the four compartments into which the stomach of a ruminant is divided. The abdomen or belly. An appetite for food. A desire or inclination, especially for something difficult or unpleasant: had no stomach for quarrels. Courage; spirit. Obsolete Pride. To bear; tolerate. Obsolete To resent.