Duct

3 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Duct \Duct\ (d[u^]kt), n. [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.
        [1913 Webster]


  
     2. (Anat.) One of the vessels of an animal body by which the
        products of glandular secretion are conveyed to their
        destination.
        [1913 Webster]
  
     3. (Bot.) A large, elongated cell, either round or prismatic,
        usually found associated with woody fiber.
        [1913 Webster]
  
     Note: Ducts are classified, according to the character of the
           surface of their walls, or their structure, as annular,
           spiral, scalariform, etc.
           [1913 Webster]
  
     4. Guidance; direction. [Obs.] --Hammond.
        [1913 Webster]

From WordNet (r) 2.0 [wn]:

  duct
       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: {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