Source : Webster's Revised Unabridged Dictionary (1913)

Prolate \Pro"late\, a. [L. prolatus, used as p. p. of proferre
   to bring forth, to extend; pro + latus, p. p. See {Pro-}, and
   {Tolerate}. ]
   Stretched out; extended; especially, elongated in the
   direction of a line joining the poles; as, a prolate
   spheroid; -- opposed to {oblate}.

   {Prolate cycloid}. See the Note under {Cycloid}.

   {Prolate ellipsoid} or {spheroid} (Geom.), a figure generated
      by the revolution of an ellipse about its major axis. See
      {Ellipsoid of revolution}, under {Ellipsoid}.

Prolate \Pro*late"\, v. t.
   To utter; to pronounce. [Obs.] ``Foun-der-ed; prolate it
   right.'' --B. Jonson.

Source : WordNet®

prolate
     adj 1: having the polar diameter greater than the equatorial
            diameter; "a prolate spheroid is generated by
            revolving an ellipse about its major axis" [syn: {watermelon-shaped}]
            [ant: {oblate}]
     2: rounded like an egg [syn: {egg-shaped}, {elliptic}, {elliptical},
         {oval}, {ovate}, {oviform}, {ovoid}]