solid of revolution

from The Collaborative International Dictionary of English v.0.48

Solid \Sol"id\, n.
   1. A substance that is held in a fixed form by cohesion among
      its particles; a substance not fluid.
      [1913 Webster]

   2. (Geom.) A magnitude which has length, breadth, and
      thickness; a part of space bounded on all sides.
      [1913 Webster]

   {Solid of revolution}. (Geom.) See {Revolution}, n., 5.
      [1913 Webster]