stomach, tummy, tum, breadbasket

an enlarged and muscular saclike organ of the alimentary canal; the principal organ of digestion

• craw, crop — a pouch in many birds and some lower animals that resembles a stomach for storage and preliminary maceration of food
• rumen, first stomach — the first compartment of the stomach of a ruminant; here food is collected and returned to the mouth as cud for chewing
• reticulum, second stomach — the second compartment of the stomach of a ruminant
• psalterium, omasum, third stomach — the third compartment of the stomach of a ruminant
• abomasum, fourth stomach — the fourth compartment of the stomach of a ruminant; the one where digestion takes place

• internal organ, viscus — a main organ that is situated inside the body

• gastric artery, arteria gastrica — arteries that supplies the walls of the stomach
• gastric vein, vena gastrica — one of several veins draining the stomach walls
• gastroomental vein, gastroepiploic vein, vena gastroomentalis — one of two veins serving the great curvature of the stomach
• pit of the stomach, epigastric fossa — a slight depression in the midline just below the sternum (where a blow can affect the solar plexus)

• alimentary canal, alimentary tract, digestive tube, digestive tract, gastrointestinal tract, GI tract — tubular passage of mucous membrane and muscle extending about 8.3 meters from mouth to anus; functions in digestion and elimination