from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun US soil taxonomy A type of soil that forms in semiarid to semihumid areas, typically under a grassland cover, with deep, high organic matter and a nutrient-enriched surface soil (or horizon).


Sorry, no etymologies found.


  • The most threatened community type is the Schizachyrium-Andropogon-Sorghastrum association typical of the mollisol prairie of the white rock cuesta.

    Texas blackland prairies


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  • A productive agricultural soil common to the world's grasslands, characterized by a dark surface layer rich in organic matter.

    May 31, 2007

  • I prefer loess.

    May 31, 2007

  • So do I--it's a darn good word.

    June 1, 2007