Dictionary:

spherical

  (sfîr'ĭ-kəl, sfĕr'-) also spheric (-ĭk)

1. 1. Having the shape of a sphere; globular.
   2. Having a shape approximating that of a sphere.
2. Of or relating to a sphere.
3. Of or relating to celestial bodies.

adjective

Having the shape of a curve everywhere equidistant from a fixed point: annular, circular, globoid, globular, round, spheric. See geometry.

Having the shape of or approximating a sphere; globular.

The adjective has 2 meanings:

Meaning #1: of or relating to spheres or resembling a sphere
  Antonym: nonspherical (meaning #1)
  Pertains to noun: sphere (meaning #5)

Meaning #2: having the shape of a sphere or ball
  Synonyms: ball-shaped, global, globose, globular, orbicular, spheric