- aureole, corona - the outermost region of the sun's atmosphere; visible as a white halo during a solar eclipse
--1 is a kind of radiance, glow, glowing
--1 is a part of nimbus, nimbus cloud, rain cloud - aura, aureole, halo, nimbus, glory, gloriole - an indication of radiant light drawn around the head of a saint
--2 is a kind of light, lightness