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 corona (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 Written by a team from Japan, Europe, and the US, its findings appear to confirm theories about how the corona becomes superheated. Chris Wright, Wired, "NASA Gets a Quick Peek at a Mysterious Layer of the Sun," 15 Mar. 2021 Travel bubbles, also called travel bridges or corona corridors, do away with that waiting period for a select group of travelers from certain countries where the coronavirus has been contained. Melissa Locker, Smithsonian Magazine, "Five Things to Know About Travel Bubbles," 28 May 2020 Elsewhere in corona-land, writer John Seabrook has an interesting piece in the New Yorker about how the pandemic is liable to shape office design. Los Angeles Times, "Essential Arts: Juergen Teller and the unglamorous history of anti-fashion photography," 6 Mar. 2021 The corona times, of wearing a mask and things like that, was already something recommended to singers, people who are performers. Kaitlin Menza, Condé Nast Traveler, "How I Travel: Musician Jon Batiste's Secret Po' Boy Spot," 5 Mar. 2021 There are magnetic connections between the Sun, the corona, and even the other bodies in the Solar System, like Earth. Ethan Siegel, Forbes, "Ask Ethan: How Prepared Are We For The Next Giant Solar Flare?," 26 Feb. 2021 During a total solar eclipse, the moon completely blocks the sun except for the sun's outer atmosphere, called the corona, to create a beautiful ring of light. Katie Hunt, CNN, "Newly discovered comet photographed during solar eclipse," 21 Dec. 2020 These Green New Deals and Green Revolutions are increasingly being seen as the only solution to meeting the climate, corona and credit crises at the scale and haste that science and justice require. Sophie Shnapp,, "Reasons To Be Hopeful About The Climate Fight In 2021," 5 Jan. 2021 The Kreutz sungrazers get to within about 31,000 miles (50,000 kilometers) of the surface, just passing through the lower regions of the solar atmosphere (the corona). Katie Hunt, CNN, "Newly discovered comet photographed during solar eclipse," 21 Dec. 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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Last Updated

31 Mar 2021

Cite this Entry

“Corona.” Dictionary, Merriam-Webster, Accessed 17 Apr. 2021.

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More Definitions for corona



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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Thesaurus: All synonyms and antonyms for corona

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

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