• synonyms


[reyn-wosh, -wawsh]
  1. material eroded or swept away by rain.
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Origin of rainwash

First recorded in 1875–80; rain + wash
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for rainwash

Historical Examples

  • It has been formed by rainwash from a hill of chalk, which must once have existed to the south.

    The Geological Story of the Isle of Wight

    J. Cecil Hughes

  • Often much of the face of the cliff is covered with slip or rainwash, and overgrown with vegetation.

  • In winter the clays become semi-liquid, in summer the surface may be largely slip and rainwash, baked hard by the sun.