Definitions

1. adjective

having or resembling a sphere in shape; globular or nearly spherical

“The spheroidal shape of the new sports stadium has attracted international attention.”

2. noun

a shape resembling a sphere

“The artist’s use of spheroidal forms created a unique sculpture.”

3. noun

a celestial body, especially a planet or moon, that is nearly spherical in shape

“The spheroidal planets in our solar system are largely composed of gases.”