toroid

A surface generated by a closed curve rotating about, but not intersecting or containing, an axis in its own plane.

A solid having such a surface.

A body having the shape of a toroid.

Same as toroidal.

A surface or solid of revolution determined by revolving any closed-plane contour about an axis in its plane which does not intersect it.

A surface generated by a closed curve (especially a circle) rotating about, but not intersecting or containing, an axis in its own plane.

A ring–shaped object whose surface is a torus.

a ring-shaped surface generated by rotating a circle around an axis that does not intersect the circle

the doughnut-shaped object enclosed by a torus