co·​ro·​na | \ kə-ˈrō-nə How to pronounce corona (audio) \
plural coronas

Definition of corona

 (Entry 1 of 2)

1 : the projecting part of a classic cornice
2 : something suggesting a crown: such as
a plural coronae\ kə-​ˈrō-​(ˌ)nē How to pronounce coronae (audio) \ also coronas
(1) : 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 dust
(2) : the tenuous outermost part of the atmosphere of a star (such as the sun)
(3) : a circle of light made by the apparent convergence of the streamers of the aurora borealis
b : the upper portion of a bodily part (such as a tooth or the skull)
c : an appendage or series of united appendages on the inner side of the corolla in some flowers (such as the daffodil, jonquil, or milkweed)
d : a faint glow adjacent to the surface of an electrical conductor at high voltage
e informal : coronavirus In the fight against the consequences of the corona epidemic, the Italian government is resorting to radical measures.— Anne Kunz et al.
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


geographical name
Co·​ro·​na | \ kə-ˈrō-nə How to pronounce Corona (audio) \

Definition of Corona (Entry 2 of 2)

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

Illustration of corona

Illustration of corona


a corona 2c

In the meaning defined above

Examples of corona in a Sentence

Recent Examples on the Web: Noun Solar Orbiter is equipped with 10 instruments that can capture observations of the sun's corona (which is its atmosphere), the poles and the solar disk, or circular visible surface of the sun. Amy Woodyatt, CNN, "Solar Orbiter makes its first close pass of the sun," 15 June 2020 In a total eclipse, the corona, the cloud of hot gas that forms the sun’s outer atmosphere, can still be seen as a bright halo around the moon. The Economist, "A “ring of fire” solar eclipse will darken the skies this weekend," 19 June 2020 The corona-recession officially began in February, just before the US issued widespread stay-at-home orders, the National Bureau of Economic Research announced Monday. Allison Morrow, CNN, "Economists just dropped the R-bomb — and Wall Street still rallied," 8 June 2020 The pH of the virus of corona ranges from 5.5 to 8.5. Michelle Santiago Cortés,, "How The Family Group Chat Is The Unlikely Glue Of The Latinx Diaspora," 13 May 2020 Right now, though, the corona-crisis and, under Mr Xi, a more hands-on, inward-looking regime are testing private-sector resilience like never before. The Economist, "Flowerbeds of enterprise Private companies have put down strong roots in China," 30 Apr. 2020 On March 11, National Funeral Director and Mortician Recognition Day passed by without a whisper, as the bodies began to pile up and death industry workers grappled with the macabre conditions of a corona-fueled speed-up. Kim Kelly, The New Republic, "The Grim New Relevance of Workers Memorial Day," 28 Apr. 2020 As the corona clampdown is (please) coming to an end, there’s a new parlor game sweeping the nation. Andy Kessler, WSJ, "What Shape Will the Rebound Take?," 26 Apr. 2020 In the era of of corona the ritual pleasures of spring can be tinged with dread. Sunset Magazine, "Can Fresh Produce Carry Coronavirus? We Interviewed an Expert on Grocery Store Germs to Find Out," 8 Apr. 2020

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.

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First Known Use of corona


1563, in the meaning defined at sense 1

History and Etymology for corona


borrowed from Latin corōna "garland worn on the head as a mark of honor or emblem of majesty, halo around a celestial body, top part of an entablature" — more at crown entry 1

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Time Traveler for corona

Time Traveler

The first known use of corona was in 1563

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Last Updated

16 Jul 2020

Cite this Entry

“Corona.” Dictionary, Merriam-Webster, Accessed 3 Aug. 2020.

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More Definitions for corona


How to pronounce Corona (audio)

English Language Learners Definition of corona

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


co·​ro·​na | \ kə-ˈrō-nə How to pronounce corona (audio) \

Medical Definition of corona

1 : the upper portion of a bodily part (as a tooth or the skull)
2 informal : coronavirus

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More from Merriam-Webster on corona

Thesaurus: All synonyms and antonyms for corona

Rhyming Dictionary: Words that rhyme with corona

Spanish Central: Translation of corona

Nglish: Translation of corona for Spanish Speakers Encyclopedia article about corona

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