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English word
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WORDNET DICTIONARY
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OXFORD DICTIONARY
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WORDNET DICTIONARY
Noun Umbilicus has 1 sense
- umbilicus(n = noun.body) belly button, bellybutton, navel, omphalos, omphalus - 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" is a part of abdomen, belly, stomach, venter
is a kind of point
Derived form adjective umbilical1
CIDE DICTIONARY
Umbilicus, n. [L. See Umbilic.].
- The depression, or mark, in the median line of the abdomen, which indicates the point where the umbilical cord separated from the fetus; the navel; the belly button, in humans. [1913 Webster]
- An ornamented or painted ball or boss fastened at each end of the stick on which manuscripts were rolled. Dr. W. Smith. [1913 Webster]
- The hilum. [1913 Webster]
- A depression or opening in the center of the base of many spiral shells. [1913 Webster]
- One of the foci of an ellipse, or other curve. [1913 Webster]
OXFORD DICTIONARY
Umbilicus, n. (pl. umbilici or umbilicuses)
1 Anat. the navel.
2 Bot. & Zool. a navel-like formation.
3 Geom. a point in a surface through which all cross-sections have the same curvature.
1 Anat. the navel.
2 Bot. & Zool. a navel-like formation.
3 Geom. a point in a surface through which all cross-sections have the same curvature.
Etymology
L, rel. to Gk omphalos and to NAVEL