Corona (software development kit) definition

(1) A long cigar with blunt ends

(2) (anatomy) any structure that resembles a crown in shape

(3) The outermost region of the sun's atmosphere; visible as a white halo during a solar eclipse

(4) One or more circles of light seen around a luminous object

(5) An electrical discharge accompanied by ionization of surrounding atmosphere

(6) (botany) the trumpet-shaped or cup-shaped outgrowth of the corolla of a daffodil or narcissus flower