Synonyms for corona

noun

• the outermost region of the sun's atmosphere; visible as a white halo during a solar eclipse
• an electrical discharge accompanied by ionization of surrounding atmosphere
• a long cigar with blunt ends
• (anatomy) any structure that resembles a crown in shape
• (botany) the trumpet-shaped or cup-shaped outgrowth of the corolla of a daffodil or narcissus flower
• one or more circles of light seen around a luminous object