Oblate \Ob*late"\, a. [L. oblatus, used as p. p. of offerre to bring forward, offer, dedicate; ob (see {Ob-}) + latus borne, for tlatus. See {Tolerate}.] [1913 Webster] 1. (Geom.) Flattened or depressed at the poles; as, the earth is an oblate spheroid. [1913 Webster] 2. Offered up; devoted; consecrated; dedicated; -- used chiefly or only in the titles of Roman Catholic orders. See {Oblate}, n. [1913 Webster] {Oblate ellipsoid} or {Oblate spheroid} (Geom.), a solid generated by the revolution of an ellipse about its minor axis; an oblatum. Contrasted with {prolate spheroid}. See {Ellipsoid of revolution}, under {Ellipsoid}. [1913 Webster]
Spheroid \Sphe"roid\, n. [L. spheroides ball-like, spherical, Gr. ???; ???? sphere + e'i^dos form: cf. F. sph['e]ro["i]de.] A body or figure approaching to a sphere, but not perfectly spherical; esp., a solid generated by the revolution of an ellipse about one of its axes. [1913 Webster] {Oblate spheroid}, {Prolate spheroid}. See {Oblate}, {Prolate}, and {Ellipsoid}. [1913 Webster]