1. [syn: duct, 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;
The Collaborative International Dictionary of English v.0.48:
Duct \Duct\ (d[u^]kt), n. [L. ductus a leading, conducting,
conduit, fr. ducere, ductum, to lead. See Duke, and cf.
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
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.
WordNet (r) 3.0 (2006):
n 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:
duct, 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
Moby Thesaurus II by Grady Ward, 1.0:
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