umbilicus

n. navel, place where the umbilical cord was attached (Anatomy); structure resembling a navel (Botany, Zoology)

Umbilicus may refer to:Umbilicus (mollusk), a feature of gastropod shell anatomyUmbilicus (genus), a genus of 15-20 species of flowering plantsUmbilicus urbis Romae, the designated centre of the city of Rome from which and to which all distances in Rome and the Roman Empire were measuredUmbilicus may also be:Navel
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Umbilicus /um·bil·i·cus/ [L.] the navel; the scar marking the site of attachment of the umbilical cord in the fetus. um·bil·i·cus n. [more]Umbilicus - Community and Resources

Noun
1. scar where the umbilical cord was attached
(synonym) navel, bellybutton, omphalos, omphalus
(hypernym) point
(part-holonym) abdomen, venter, stomach, belly

(n.)
The hilum.
  

(n.)
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.
  

(n.)
One of foci of an ellipse, or other curve.
  

(n.)
Either one of the two apertures in the calamus of a feather.
  

(n.)
An ornamented or painted ball or boss fastened at each end of the stick on which manuscripts were rolled.
  

(n.)
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.
  

(n.)
A depression or opening in the center of the base of many spiral shells.