HyperDic

English > 1 sense of the word rain-wash:
NOUNprocessrain-washthe washing away of soil or other loose material by rain
English > rain-wash: 1 sense > noun 1, process
MeaningThe washing away of soil or other loose material by rain.
Broaderwashout, washThe erosive process of washing away soil or gravel by water (as from a roadway)