- 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. - An ornamented or painted ball or boss fastened at each
end of the stick on which manuscripts were rolled. - The hilum. - A depression or opening in the center of the base of
many spiral shells. - Either one of the two apertures in the calamus of a
feather. - One of foci of an ellipse, or other curve. - 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.
Meaning of 'umbilicus' (Princeton's WordNet)
1 . umbilicus
[ n]
Meaning (1): - a scar where the umbilical cord was attached
Example in sentence:
she had a tattoo just above her bellybutton;
they argued whether or not Adam had a navel;
you were not supposed to show your navel on television