✨📕 The NEWThe NEW Collegiate Dictionary, 12th Edition Over 5,000 words added — Buy Now! Collegiate DictionaryBuy Now!

brown earth

noun

: any of a group of intrazonal soils developed in temperate humid regions under deciduous forests and characterized by a dark brown mull horizon that grades through lighter colored soil

Word History

First Known Use

1932, in the meaning defined above

Time Traveler
The first known use of brown earth was in 1932

Browse Nearby Words

Cite this Entry

“Brown earth.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/brown%20earth. Accessed 4 Dec. 2025.

Love words? Need even more definitions?

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