dict.org

The DICT Development Group


Search for:
Search type:
Database:

Database copyright information
Server information
Wiki: Resources, links, and other information


3 definitions found
 for Umbilicus
From The Collaborative International Dictionary of English v.0.48 :

  Umbilicus \Um`bi*li"cus\, n. [L. See Umbilic.]
     1. (Anat.) The depression, or mark, in the median line of the
        abdomen, which indicates the point where the umbilical
        cord separated from the fetus; the navel; the belly
        button, in humans.
        [1913 Webster]
  
     2. (Gr. & Rom. Antiq.) An ornamented or painted ball or boss
        fastened at each end of the stick on which manuscripts
        were rolled. --Dr. W. Smith.
        [1913 Webster]
  
     3. (Bot.) The hilum.
        [1913 Webster]
  
     4. (Zool.)
        (a) A depression or opening in the center of the base of
            many spiral shells.
        (b) Either one of the two apertures in the calamus of a
            feather.
            [1913 Webster]
  
     5. (Geom.)
        (a) One of the foci of an ellipse, or other curve. [Obs.]
        (b) A point of a surface at which the curvatures of the
            normal sections are all equal to each other. A sphere
            may be osculatory to the surface in every direction at
            an umbilicus. Called also umbilic.
            [1913 Webster]

From WordNet (r) 3.0 (2006) :

  umbilicus
      n 1: a scar where the umbilical cord was attached; "you were not
           supposed to show your navel on television"; "they argued
           whether or not Adam had a navel"; "she had a tattoo just
           above her bellybutton" [syn: navel, umbilicus,
           bellybutton, belly button, omphalos, omphalus]

From Moby Thesaurus II by Grady Ward, 1.0 :

  24 Moby Thesaurus words for "umbilicus":
     axis, center, center of action, center of gravity, centroid,
     centrum, core, dead center, epicenter, heart, hub, kernel, marrow,
     medulla, metacenter, middle, nave, navel, nub, nucleus, omphalos,
     pith, pivot, storm center
  
  

Questions or comments about this site? Contact webmaster@dict.org