Alpha Orionis

noun

Alpha Or·​i·​o·​nis -ˌȯr-ē-ˈō-nəs How to pronounce Alpha Orionis (audio)
astronomy
: betelgeuse

Word History

Etymology

borrowed from New Latin, "Alpha of Orion"

First Known Use

1802, in the meaning defined above

Time Traveler
The first known use of Alpha Orionis was in 1802

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Dictionary Entries Near Alpha Orionis

Cite this Entry

“Alpha Orionis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Alpha%20Orionis. Accessed 4 Mar. 2024.

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