\Spher"ic*al\, Spheric \Spher"ic\, a. [L. sphaericus,
Gr. ???: cf. F. sph['e]rique.]
1. Having the form of a sphere; like a sphere; globular;
   orbicular; as, a spherical body.
2. Of or pertaining to a sphere.
3. Of or pertaining to the heavenly orbs, or to the sphere or
   spheres in which, according to ancient astronomy and
   astrology, they were set.
         Knaves, thieves, and treachers by spherical
         predominance.                         --Shak.
         Though the stars were suns, and overburned Their
         spheric limitations.                  --Mrs.
                                               Browning.
{Spherical angle}, {Spherical co["o]rdinate}, {Spherical
excess}, etc. See under {Angle}, {Coordinate}, etc.
{Spherical geometry}, that branch of geometry which treats of
   spherical magnitudes; the doctrine of the sphere,
   especially of the circles described on its surface.
{Spherical harmonic analysis}. See under {Harmonic}, a.
{Spherical lune},portion of the surface of a sphere included
   between two great semicircles having a common diameter.
{Spherical opening}, the magnitude of a solid angle. It is
   measured by the portion within the solid angle of the
   surface of any sphere whose center is the angular point.
{Spherical polygon},portion of the surface of a sphere
   bounded by the arcs of three or more great circles.
{Spherical projection}, the projection of the circles of the
   sphere upon a plane. See {Projection}.
{Spherical sector}. See under {Sector}.
{Spherical segment}, the segment of a sphere. See under
   {Segment}.
{Spherical triangle},re on the surface of a sphere, bounded
   by the arcs of three great circles which intersect each
   other.
{Spherical trigonometry}. See {Trigonometry}. --
   {Spher"ic*al*ly}, adv. -- {Spher"ic*al*ness}, n.