Cyl"in*droid (s?l"?n-droid), n. [Gr. cylinder + -oid: cf. F. cylindrode.]
A solid body resembling a right cylinder, but having the bases or ends elliptical.
A certain surface of the third degree, described by a moving straight line; -- used to illustrate the motions of a rigid body and also the forces acting on the body.
© Webster 1913.