Synonyms: duct, canal, channel, epithelial duct
Definition: a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance
Usage: the tear duct was obstructed; the alimentary canal; poison is released through a channel in the snake's fangs
Similar words: passage, passageway
Definition: a path or channel or duct through or along which something may pass
Usage: the nasal passages