UMBILICI
UMBILICUS
navel, umbilicus, bellybutton, belly button, omphalos, omphalus
(noun) a scar where the umbilical cord was attached; “you were not supposed to show your navel on television”; “they argued whether or not Adam had a navel”; “she had a tattoo just above her bellybutton”
Source: WordNet® 3.1
Noun
umbilici
plural of umbilicus
Source: Wiktionary
UMBILICUS
Um`bi*li"cus, n. Etym: [L. See Umbilic.]
1. (Anat.)
Definition: 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.)
Definition: An ornamented or painted ball or boss fastened at each end of
the stick on which manuscripts were rolled. Dr. W. Smith.
3. (Bot.)
Definition: The hilum.
4. (Zoöl.)
(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.
Source: Webster’s Unabridged Dictionary 1913 Edition