Definitions

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

  • noun geography The washing action of rain, capable of erosion and transporting soil.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

rain +‎ wash

Examples

  • They landed in a dry rainwash that was the flattest and least overgrown terrain in the lush basin.

    Sanctuary

  • They landed in a dry rainwash that was the flattest and least overgrown terrain in the lush basin.

    Sanctuary

  • They landed in a dry rainwash that was the flattest and least overgrown terrain in the lush basin.

    Sanctuary

  • Farther down the gully there was a rainwash that had eroded a depression in the bank.

    Half of Paradise

  • After a time the great boulders fall off and the underlying clay becomes worn by the rainwash to fantastic spikes and ridges.

    The Birth-Time of the World and Other Scientific Essays

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