corona
n. countablen. the outer layer of light or gas around a star, like the sun. You might also hear it used for the crown-like shape on top of a virus or a tooth.
n. the luminous outer atmosphere of a star, visible during a total solar eclipse. Also refers to a crown-like structure in biology, dentistry, and virology.
The corona of the sun glowed red.
Scientists studied the solar corona to understand how the sun heats its outer atmosphere.
The noun is borrowed from Latin corōna (“crown; garland, wreath”), from Ancient Greek κορώνη (korṓnē, “type of crown; curved object (door handle, tip of a bow, stern of a ship, etc.)”), from Proto-Indo-European *(s)ker- (“to turn, bend”). The English word is a doublet of crown, korona, koruna, krona, króna, and krone. The plural form coronae is borrowed from Latin corōnae. The verb is derived from the noun.
A clipping of coronavirus, ultimately from etymology 1.
Borrowed from Italian corona.
Borrowed from Spanish La Corona (literally “The Crown”), a brand of cigars from Havana, Cuba.