Betelgeuse
Americannoun
noun
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A red supergiant star in the constellation Orion. It is a variable star with a brightest apparent magnitude of 0.5. Scientific name: Alpha Orionis.
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See Note at Rigel
Etymology
Origin of Betelgeuse
1790–1800; < French < Arabic bīt al jauzāʾ shoulder of the giant (i.e., of Orion)
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The meteors will appear to originate from the constellation of Orion, near the red supergiant star Betelgeuse.
From BBC ● Oct. 20, 2026
Montargès and his colleagues observed Betelgeuse with ESO's VLT that December.
From Science Daily ● Aug. 27, 2026
Betelgeuse -- a reddish star in the Orion constellation that is easily visible with the naked eye and is known to change in brightness -- has been watched by people for thousands of years.
From Science Daily ● Aug. 27, 2026
Astronomers now have their strongest evidence yet that Betelgeuse, one of the best-known stars in the night sky, has a stellar companion.
From Science Daily ● Aug. 27, 2026
It is just Betelgeuse and Bellatrix and Alnilam and Rigel and 17 other stars I don’t know the names of.
From "The Curious Incident of the Dog in the Night-Time" by Mark Haddon
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