'Spheroid' definitions:
Definition of 'spheroid'
From: WordNet
noun
A shape that is generated by rotating an ellipse around one of its axes; "it looked like a sphere but on closer examination I saw it was really a spheroid" [syn: spheroid, ellipsoid of revolution]
Definition of 'Spheroid'
From: GCIDE
- 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]