Corona
WordNet
noun
(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
WiktionaryText
Etymology
From , from .
Noun
- A crown or garland bestowed among the Romans as a reward for distinguished services.
- : The luminous plasma atmosphere of the Sun or other star, extending millions of kilometres into space, most easily seen during a total solar eclipse,
- : Any crown-like appendage of a plant or animal.
- (electrical): a low energy discharge caused by ionization of a gas by an electric field [quite common at conductor bends of 12kV or higher].