Umbilicus

//ˌʌmˈbɪlɪkəs// noun

Definitions

Noun
  1. 1
    A navel.
  2. 2
    a scar where the umbilical cord was attached wordnet
  3. 3
    Umbilical cord broadly, proscribed, sometimes

    "Although I have been tempted to cut the umbilicus, and pass a ligature round the remaining portion on one occasion, yet I now deem such interference officious and uncalled - for at this eventful period."

  4. 4
    A hilum.
  5. 5
    A depression or opening in the center of the base of many spiral shells.
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  1. 6
    Either of the two apertures in the calamus of a feather.
  2. 7
    A tube connecting an astronaut or spacecraft to the mothership, through which supplies and samples can be transferred.

    "The importance of the visual analyzer is further increased when the cosmonaut is in free space with only the slight support of an umbilicus."

  3. 8
    One of the foci of an ellipse or other curve. obsolete
  4. 9
    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."

  5. 10
    An ornamented or painted ball or boss fastened at each end of the stick on which manuscripts were rolled. historical

    "The ends of the umbilicus were called cornua (i.e. horns) in Latin, and were usually adorned with some pretty device"

Etymology

Borrowed from Latin umbilīcus (“navel”).

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