corona

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noun co·ro·na \kə-ˈrō-nə\

Definition of corona

  1. 1 :  the projecting part of a classic cornice

  2. 2a :  a usually colored circle often seen around and close to a luminous body (such as the sun or moon) caused by diffraction produced by suspended droplets or occasionally particles of dustb :  the tenuous outermost part of the atmosphere of a star (such as the sun)c :  a circle of light made by the apparent convergence of the streamers of the aurora borealisd :  the upper portion of a bodily part (such as a tooth or the skull)e :  an appendage or series of united appendages on the inner side of the corolla in some flowers (such as the daffodil, jonquil, or milkweed)f :  a faint glow adjacent to the surface of an electrical conductor at high voltage

  3. 3 [from La Corona, a trademark] :  a long cigar having the sides straight to the end to be lit and being roundly blunt at the other end

Recent Examples of corona from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'corona.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Illustration of corona

Origin and Etymology of corona

Latin, garland, crown, cornice — more at crown


Corona

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geographical name Co·ro·na \kə-ˈrō-nə\

Definition of Corona

  1. city in southern California east of Los Angeles population 152,374


CORONA Defined for English Language Learners

corona

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noun

Definition of corona for English Language Learners

  • : a bright circle seen around the sun or the moon

Corona

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geographical name

Definition of Corona for English Language Learners

  • : U.S. city, California


Medical Dictionary

corona

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noun co·ro·na \kə-ˈrō-nə\

Medical Definition of corona

  1. :  the upper portion of a bodily part (as a tooth or the skull)



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