umbilicus
Pronunciation: /ʌmˈbɪl.ɪ.kəs/
The English word “umbilicus” has 9 meanings listed here.
noun
- A navel.
- A umbilical cord.
- A hilum.
- A depression or opening in the center of the base of many spiral shells.
- Either of the two apertures in the calamus of a feather.
- A tube connecting an astronaut or spacecraft to the mothership, through which supplies and samples can be transferred.
- One of the 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.
- An ornamented or painted ball or boss fastened at each end of the stick on which manuscripts were rolled.
Etymology
Borrowed from Latin umbilīcus (“navel”).
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Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.