noun
mathematics : a solid generated by a closed curve when rotated about a straight line lying in the plane of the curve and not intersecting the curve (as a torus)
noun
mathematics : a solid generated by a closed curve when rotated about a straight line lying in the plane of the curve and not intersecting the curve (as a torus)
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012