Umbilic
The Century Dictionary and Cyclopedia
noun.
In
geometry
, a point of a surface where the radii of curvature are all equal, and a sphere osculates the surface.
Same as
umbilical
.
the GNU version of the Collaborative International Dictionary of English
noun.
The navel; the center.
noun.
An umbilicus. See
Umbilicus
, 5 (b).
adjective.
See
umbilical
, 1.
Wiktionary, Creative Commons Attribution/Share-Alike License
adjective.
Of, pertaining to, or having a
navel
or
umbilicus
cross-reference
conical umbilic
variant
umbilical
umbilicus