: goddess of the moon in Roman mythology compare selene

Word History

Etymology

Latin Lūna, personification of lūna "moon" — more at lunar

First Known Use

1509, in the meaning defined above

Time Traveler
The first known use of Luna was in 1509

Browse Nearby Words

Cite this Entry

“Luna.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Luna. Accessed 29 Aug. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster