**Spher"ic*al** (?), **Spher"ic** (?), a. [L. *sphaericus*, Gr. : cf. F. *sph'erique*.]

**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 coordinate, 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.

© Webster 1913.