Pronunciation : Pa*rab"o*loid Part of Speech : n. Etymology : [Parabola + -oid: cf. F. paraboloïde.] (Geom.) Definition : Defn: The solid generated by the rotation of a parabola about its axis; any surface of the second order whose sections by planes parallel to a given line are parabolas.
Note: The term paraboloid has sometimes been applied also to the parabolas of the higher orders. Hutton. Source : Webster's Unabridged Dictionary, 1913