duct, epithelial duct, canal, channel - a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance; "the tear duct was obstructed"; "the alimentary canal"; "poison is released through a channel in the snake's fangs"

digestive system, gastrointestinal system, systema alimentarium, systema digestorium - the system that makes food absorbable into the body

stomach, tum, tummy, breadbasket - an enlarged and muscular saclike organ of the alimentary canal; the principal organ of digestion

enteron - the alimentary canal (especially of an embryo or a coelenterate)

esophagus, gullet, oesophagus, gorge - the passage between the pharynx and the stomach

small intestine - the longest part of the alimentary canal; where digestion is completed

large intestine - beginning with the cecum and ending with the rectum; includes the cecum and the colon and the rectum; extracts moisture from food residues which are later excreted as feces

pharynx, throat - the passage to the stomach and lungs; in the front part of the neck below the chin and above the collarbone