toroid

noun Geometry.

1. a surface generated by the revolution of any closed plane curve or contour about an axis lying in its plane.
2. the solid enclosed by such a surface.

noun

1. geometry a surface generated by rotating a closed plane curve about a coplanar line that does not intersect the curve
2. the solid enclosed by such a surfaceSee also torus

1. A surface generated by rotating a closed curve about an axis that is in the same plane as the curve but does not intersect it.