Definition of


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

via WordNet, Princeton University

Origin of the word Corona

  1. 1658, from L. "crown, garland" (see crown). more

via Online Etymology Dictionary, ©2001 Douglas Harper

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