terra

noun

ter·ra ˈter-ə

plural terrae ˈter-(ˌ)ē

-ˌī

: any of the relatively light-colored highland areas on the surface of the moon or a planet

Word History

Etymology

New Latin, from Latin, land

First Known Use

1946, in the meaning defined above

Time Traveler

The first known use of terra was in 1946

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Browse Nearby Words

terr

terra

terra alba

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Cite this Entry

Style

“Terra.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/terra. Accessed 3 Nov. 2025.

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