Source : Webster's Revised Unabridged Dictionary (1913)

Umbilic \Um*bil"ic\, n. [From L. umbilicus: cf. F. ombilic. See
   {Navel}.]
   1. The navel; the center. [Obs.] ``The umbilic of the
      world.'' --Sir T. Herbert.

   2. (Geom.) An umbilicus. See {Umbilicus}, 5
      (b) .

Umbilic \Um*bil"ic\, a. (Anat.)
   See {Umbilical}, 1.