umbilicus(redirected from feather umbilicus)
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n. pl. um·bil·i·ci (-sī′)
1. See navel.
2. Biology A small opening or depression similar to a navel, as the hollow at the base of the shell of some gastropod mollusks, one of the openings in the shaft of a feather, or the hilum of a seed.
n, pl -bilici (-ˈbɪlɪˌsaɪ; -bɪˈlaɪsaɪ)
1. (Biology) biology a hollow or navel-like structure, such as the cavity at the base of a gastropod shell
2. (Anatomy) anatomy a technical name for the navel
[C18: from Latin: navel, centre; compare Latin umbō shield boss, Greek omphalos navel]
um•bil•i•cus(ʌmˈbɪl ɪ kəs, ˌʌm bəˈlaɪ kəs)
n., pl. -bil•i•ci (-ˈbɪl əˌsaɪ, -bəˈlaɪ saɪ)
2. a navellike formation, as the hilum of a seed.
[1605–15; < Latin umbilīcus navel]
See also related terms for navel.
(or navel) An abdominal scar left by removal of the umbilical cord after birth.
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|Noun||1.||umbilicus - a scar where the umbilical cord was attached; "you were not supposed to show your navel on television"; "they argued whether or not Adam had a navel"; "she had a tattoo just above her bellybutton"|
abdomen, belly, stomach, venter - the region of the body of a vertebrate between the thorax and the pelvis
point - the precise location of something; a spatially limited location; "she walked to a point where she could survey the whole street"