umbilicus

Fetched 2026-10-26 (cache).

Synonyms: umbilical, umbilic, umbilici, umbilicals, umbilicuses

Antonyms: umbilical, umbilic, umbilici, umbilicals, umbilicuses

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|anatomy}} A [[navel]].
2. {{lb|en|loosely|sometimes|proscribed}} A [[umbilical cord]].
3. {{lb|en|botany}} A [[hilum]].
4. {{lb|en|zoology}} A depression or opening in the center of the base of many spiral shells.
5. {{lb|en|zoology}} Either of the two [[aperture]]s in the [[calamus]] of a [[feather]].
6. {{lb|en|space}} A tube connecting an [[astronaut]] or [[spacecraft]] to the [[mothership]], through which supplies and samples can be transferred.
7. {{lb|en|geometry|obsolete}} One of the [[focus|foci]] of an [[ellipse]] or other [[curve]].
8. {{lb|en|geometry}} A point of a surface at which the curvatures of the normal sections are all equal to each other.
9. {{lb|en|historical}} An ornamented or painted ball or boss fastened at each end of the stick on which [[manuscript]]s were rolled.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.