corona
n 1: the outermost region of the sun's atmosphere; visible as a
white halo during a solar eclipse [syn: aureole]
2: (botany) the trumpet shaped or cup shaped outgrowth of the
corolla of a daffodil or narcissus flower
3: an electrical discharge accompanied by ionization of
surrounding atmosphere [syn: corona discharge, corposant,
St. Elmo's fire, Saint Elmo's fire, Saint Elmo's
light, Saint Ulmo's fire, Saint Ulmo's light, electric
glow]
4: one or more circles of light seen around a luminous object
5: (anatomy) any structure that resembles a crown in shape
6: a long cigar with blunt ends
[also: coronae (pl)]