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

umbilic \umbil"ic\, n. from l. umbilicus: cf. f. ombilic. see
   navel.
   1. the navel; the center. obs. "the umbilic of the world."
      --sir t. herbert.
      1913 webster

   2. geom. an umbilicus. see umbilicus, 5
      b .
          1913 webster
see also:
navel umbilicus 

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

umbilic \umbil"ic\, a. anat.
   see umbilical, 1.
   1913 webster
see also:
umbilical 

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

umbilicus \um`bili"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
see also:
umbilic umbilic 

Umbilic >> U Words
Umbilic, definition of term: Umbilic
umbilic_pag1.html