The plural of stomach is stomachs.
The stomach is an organ located in the upper abdomen that plays a vital role in the digestion of food. It receives food from the esophagus and releases digestive enzymes and acids to break down the food into smaller particles. The stomach also contracts to mix and churn the food, turning it into a semi-liquid substance called chyme. From the stomach, the partially digested food moves into the small intestine for further digestion and absorption.