What does "prolate" mean?

Prolate: 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.

Additional senses

  1. 2.To utter; to pronounce. [Obs.] "Foun-der-ed; prolate it right." B. Jonson.

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