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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.