esophagus

n. tube connecting the mouth to the stomach (Anatomy)

The esophagus (also spelled oesophagus/œsophagus, Greek ), or gullet is an organ in vertebrates which consists of a muscular tube through which food passes from the pharynx to the stomach. In humans, the esophagus is continuous with the laryngeal part of the pharynx at the level of the C6 vertebra.
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Esophagus /esoph·a·gus/ the musculomembranous passage extending from the pharynx to the stomach. e·soph·a·gus or oe·soph·a·gus n. pl. [more]Esophagus - Community and Resources

Noun
1. the passage between the pharynx and the stomach
(synonym) oesophagus, gorge, gullet
(hypernym) passage, passageway
(part-holonym) alimentary canal, alimentary tract, digestive tube, digestive tract, gastrointestinal tract, GI tract
(part-meronym) epicardia

(n.)
That part of the alimentary canal between the pharynx and the stomach; the gullet. See Illust. of Digestive apparatus, under Digestive.