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.