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De - Pt| English Dictionary: umbilic | by the DICT Development Group |
| 3 results for umbilic | |
| From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
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Umbilic \Um*bil"ic\, n. [From L. umbilicus: cf. F. ombilic. See {Navel}.] 1. The navel; the center. [Obs.] [bd]The umbilic of the world.[b8] --Sir T. Herbert. 2. (Geom.) An umbilicus. See {Umbilicus}, 5 (b) . | |
| From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
|
Umbilic \Um*bil"ic\, a. (Anat.) See {Umbilical}, 1. | |
| From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
|
d8Umbilicus \[d8]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[94]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}. | |
