- A technical name for the navel - 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. - An ornamented or painted ball or boss fastened at each
end of the stick on which manuscripts were rolled. - The hilum. - A depression or opening in the center of the base of
many spiral shells. - Either one of the two apertures in the calamus of a
feather. - One of foci of an ellipse, or other curve.
- Alternative car fuel - Biofuel additive - Fuel additive - Oath Len got wrong due to alcohol - Petrol additive - Technical name for alcohol - Volatile flammable liquid