The greater omentum is a large apron-like fold of peritoneum that covers the anterior surface of the small intestine and transverse colon. It is an important structure in the abdomen and has several synonyms, including the gastrocolic omentum, or the great omentum. Other synonyms for the greater omentum include the omentum majus, the caul, and the epiploon. Despite having different names, these synonyms refer to the same anatomical structure in the body. The greater omentum plays a crucial role in the immune response and can also store fat deposits. It is essential for protecting organs in the abdomen and maintaining the body's overall health.