Alpha Orionis

noun
Alpha Or·​i·​o·​nis | \ -ˌȯr-ē-ˈō-nəs How to pronounce Alpha Orionis (audio) \

Definition of Alpha Orionis

astronomy
: betelgeuse

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First Known Use of Alpha Orionis

1802, in the meaning defined above

History and Etymology for Alpha Orionis

borrowed from New Latin, “Alpha of Orion”

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Time Traveler for Alpha Orionis

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The first known use of Alpha Orionis was in 1802

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Cite this Entry

“Alpha Orionis.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/Alpha%20Orionis?pronunciation&lang=en_us&dir=a&file=alpha_25. Accessed 21 January 2020.

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