Meaning

(anatomy) A navel..

Definitions by Sense

1. (anatomy) A navel.
2. (loosely, sometimes proscribed) Umbilical cord
3. (botany) A hilum.
4. (zoology) A depression or opening in the center of the base of many spiral shells.
5. (zoology) Either of the two apertures in the calamus of a feather.
6. (space science) A tube connecting an astronaut or spacecraft to the mothership, through which supplies and samples can be transferred.
7. (geometry, obsolete) One of the foci of an ellipse or other curve.
8. (geometry) A point of a surface at which the curvatures of the normal sections are all equal to each other.

Example Sentences

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.

She ate the umbilicus, and the afterbirth, which is supposed to be good for them. Then she licked off the first kitten and was ready for the next.

Then he tied the umbilicus in two places, using bits of Manila twine, and made his cut between them.

How about a 270 mile tether to an orbiting satellite? Oh, you'd like that, wouldn't you? Frank! Prepare to receive the umbilicus!

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

Penetrators will be connected by an umbilicus to an afterbody containing imaging and meteorological instruments.

Ninety minutes into the twenty-six hour flight, Leonov opened the outer hatch and pushed himself out to the end of his 17-foot umbilicus — becoming the first man to walk in space.

A sphere may be osculatory to the surface in every direction at an umbilicus.

Word Forms

• umbilici
• umbilicuses

Synonyms for umbilicus

Related Words

When Should You Use Umbilicus?

Use umbilicus when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.

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