1. duct - noun
· 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"
Synonym(s): epithelial_duct, canal, channel
Hypernym(s): passage, passageway
2. duct - noun
· a continuous tube formed by a row of elongated cells lacking intervening end walls
Hypernym(s): plant_part, plant_structure
3. duct - noun
· an enclosed conduit for a fluid
Hypernym(s): conduit
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