toroid: Meaning and Definition of
to•roid
Pronunciation: (tôr'oid, tōr'-), [key] — n. Geom.
- a surface generated by the revolution of any closed plane curve or contour about an axis lying in its plane.
- the solid enclosed by such a surface.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.