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From The Collaborative International Dictionary of English v.0.44 [gcide]:
Duct \Duct\ (d[u^]kt), noun [L. ductus a leading, conducting, conduit, fr. ducere, ductum, to lead. See {Duke}, and cf. {Douche}.]
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.
Note: 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.
From WordNet (r) 2.0 [wn]:
duct
noun
1: 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" [syn: {epithelial duct}, {canal}, {channel}]
2: a continuous tube formed by a row of elongated cells lacking intervening end walls
3: an enclosed conduit for a fluid
From Moby Thesaurus II by Grady Ward, 1.0 [moby-thes]:
36 Moby Thesaurus words for "duct": Eustachian tube, Fallopian tube, adit, aqueduct, canal, channel, conduit, course, ditch, egress, emunctory, entrance, exit, fistula, ingress, intestines, meatus, ostium, oviduct, passage, passageway, pore, salpinx, thoracic duct, trench, trough, troughing, troughway, tunnel, ureter, urethra, vagina, vas, vessel, watercourse, way
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Definitions retrieved from local copies of the freely distributed DICT client/server software and databases. Click here for database copyright information. - KM |