noun /sfɪə,sfɪr/
a) A regular three-dimensional object in which every cross-section is a circle; the figure described by the revolution of a circle about its diameter .
Though cold and darkness longer hang somewhere, / Yet Phoebus equally lights all the Sphere.
It is more simplicitie to teach our children [...] [t]he knowledge of the starres, and the motion of the eighth spheare, before their owne.
Syn: ball, globe, orb, area, domain, field, orbit, sector, 3-sphere, 2-sphere, celestial sphere, celestial body
See Also: atmosphere, hemisphere, ionosphere, planisphere, spherical, spheroid, stratosphere, troposphere
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