01 n. The depression, or mark, in the median line of the abdomen, which indicates the point where the umbilical cord separated from the fetus; th…
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1.
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.(Anat.)
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2.
An ornamented or painted ball or boss fastened at each end of the stick on which manuscripts were rolled.(Gr. & Rom. Antiq.)
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3.
The hilum.(Bot.)
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4.
A depression or opening in the center of the base of many spiral shells.(Zool.)
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5.
One of the foci of an ellipse, or other curve.(Geom.) [Obs.]