esophagus e·soph·a·gus or oe·soph·a·gus (ĭ-sŏf'ə-gəs)
n. pl. e·soph·a·gi (-jī', -gī')
The portion of the digestive canal between the pharynx and stomach, consisting of a cervical part from the cricoid cartilage to the thoracic inlet, a thoracic part from the thoracic inlet to the diaphragm, and an abdominal part below the diaphragm to the stomach.
The muscular tube that connects the mouth to the stomach and serves as a passageway for food. (See digestive system.)