Meaning of corona

Definition of corona

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

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