American Dictionary of the English Language

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SPHER'IC, SPHER'ICAL, adjective [Latin sphericus.]

1. Globular; orbicular; having a surface in every part equally distant from the center; as a SPHERICAL body. Drops of water take a SPHERICAL form.

2. Planetary; relating to the orbs of the planets. We make guilty of our disasters the sun, the moon and the stars, as if we were villains by SPHERICAL predominance.

SPHERICAL GEOMETRY. that branch of geometry which teats of SPHERICAL magnitudes.

SPHERICAL TRIANGLE, a triangle formed by the mutual intersection of three great circles of the sphere.

SPHERICAL TRIGONOMETRY, that branch of trigonometry which teaches to compute the sides and angles of SPHERICAL triangles.