- a hollow or navel-like structure, such as the cavity at the base of a gastropod shell
- a technical name for the navel
WordReference Random House Unabridged Dictionary of American English © 2026
um•bil•i•cus
(um bil′i kəs, um′bə lī′kəs),USA pronunciation n., pl. -bil•i•ci
-
(-bil′ə sī′, -bə lī′sī).USA pronunciation
- Anatomythe depression in the center of the surface of the abdomen indicating the point of attachment of the umbilical cord to the embryo;
navel. - Botany, Zoologya navellike formation, as the hilum of a seed.
- Latin umbilīcus navel, middle, center; see navel
- 1605–15
Collins Concise English Dictionary © HarperCollins Publishers::
umbilicus /ʌmˈbɪlɪkəs; ˌʌmbɪˈlaɪkəs/ n ( pl -bilici /-ˈbɪlɪˌsaɪ; -bɪˈlaɪsaɪ/)
'umbilicus' also found in these entries (note: many are not synonyms or translations):
navel
- pennywort
- umbilical
- umbilicate
- kidneywort
- navelwort
- omphalos
- umbilical hernia
- umbiliform
- umbo