'aureole' definitions:

Definition of 'aureole'

From: WordNet
noun
The outermost region of the sun's atmosphere; visible as a white halo during a solar eclipse [syn: aureole, corona]
noun
An indication of radiant light drawn around the head of a saint [syn: aura, aureole, halo, nimbus, glory, gloriole]

Synonyms of 'aureole'

From: Moby Thesaurus