Definition of Umbilics. Meaning of Umbilics. Synonyms of Umbilics
Here you will find one or more explanations in English for the word Umbilics.
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Definition of Umbilics
Umbilic 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 Umbilic Um*bil"ic, a. (Anat.)
See Umbilical, 1.
umbilic 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.
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.
3. (Bot.) The hilum.
4. (Zo["o]l.)
(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.
5. (Geom.)
(a) One of 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.
