duct Meaning, Definition & Usage

  1. noun a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance
    canal; epithelial duct; channel.
    • the tear duct was obstructed
    • the alimentary canal
    • poison is released through a channel in the snake's fangs
  2. noun a continuous tube formed by a row of elongated cells lacking intervening end walls
  3. noun an enclosed conduit for a fluid

WordNet

Duct noun
Etymology
L. ductus a leading, conducting, conduit, fr. ducere, ductum, to lead. See Duke, and cf. Douche.
Definitions
  1. Any tube or canal by which a fluid or other substance is conducted or conveyed.
  2. (Anat.) One of the vessels of an animal body by which the products of glandular secretion are conveyed to their destination.
  3. (Bot.) A large, elongated cell, either round or prismatic, usually found associated with woody fiber. ✍ Ducts are classified, according to the character of the surface of their walls, or their structure, as annular, spiral, scalariform, etc.
  4. Guidance; direction. Obs. Hammond.

Webster 1913