1. (

• aureole ,
• corona

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

2. (

• corona

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

3. (

• corona_discharge ,
• corona ,
• corposant ,
• St._Elmo's_fire ,
• Saint_Elmo's_fire ,
• Saint_Elmo's_light ,
• Saint_Ulmo's_fire ,
• Saint_Ulmo's_light ,
• electric_glow

) an electrical discharge accompanied by ionization of surrounding atmosphere ;

4. (

• corona ,

) one or more circles of light seen around a luminous object ;

5. (

• corona

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

6. (

• corona

) a long cigar with blunt ends ;