1. (Geom.) Flattened or depressed at the poles; as, the earth is an oblate spheroid. 2. Offered up; devoted; consecrated; dedicated; -- used chiefly or only in the titles of Roman Catholic orders. See Oblate, n. Oblate ellipsoid or spheroid (Geom.), a solid generated by the revolution of an ellipse about its minor axis; an oblatum. See Ellipsoid of revolution, under...
