adj. 1 shaped like a sphere; globular. 2 a of or relating to the properties of spheres (spherical geometry). b formed inside or on the surface of a sphere (spherical triangle). spherical aberration a loss of definition in the image produced by a spherically curved mirror or lens. spherical angle an angle formed by the intersection of two great circles of a sphere. spherically adv.
[ LL sphaericus f. Gk sphairikos (as SPHERE) ]