Dictionary definition for: Duct
1. (n) 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"
2. (n) a continuous tube formed by a row of elongated cells lacking intervening end walls
3. (n) an enclosed conduit for a fluid
WordNet 2.1 Copyright Princeton University. All rights reserved.
