corona

1. a part of the body resembling or likened to a crown.
2. the rarefied gaseous envelope of the sun and other stars. The sun's corona is normally visible only during a total solar eclipse, when it is seen as an irregularly shaped pearly glow surrounding the darkened disc of the moon.
3. the cup-shaped or trumpet-shaped outgrowth at the centre of a daffodil or narcissus flower.
4. a circular chandelier in a church.
5. a part of a cornice having a broad vertical face.

mid 16th century (in corona¹ (sense 5)): from Latin, ‘wreath, crown’.

noun

a long, straight-sided cigar.

late 19th century: from Spanish La Corona, literally ‘the crown’, originally a proprietary name.