SPHEROID
spheroid, ellipsoid of revolution
(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”
Source: WordNet® 3.1
Etymology
Adjective
spheroid (comparative more spheroid, superlative most spheroid)
Of a shape similar to a squashed sphere.
Noun
spheroid (plural spheroids)
A solid of revolution generated by rotating an ellipse about its major (prolate), or minor (oblate) axis.
Hyponyms
• oblate spheroid
• prolate spheroid
Anagrams
• doership
Source: Wiktionary
Sphe"roid, n. Etym: [L. spheroides ball-like, spherical, Gr.
sphéroïde.]
Definition: 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. Oblate spheroid, Prolate spheroid. See Oblate,
Prolate, and Ellipsoid.
Source: Webster’s Unabridged Dictionary 1913 Edition