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Rock debris transported downhill by rain.
tr.v. rain-washed, rain-wash·ing, rain-wash·es
To wash (material) down a slope by rain.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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|Noun||1.||rain-wash - the washing away of soil or other loose material by rain|
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