/ Dictionary / Index R rainwash: Meaning and Definition of Find definitions for: rain•wash Pronunciation: (rān'wosh", -wôsh"), [key] — n. material eroded or swept away by rain. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rain tree rainwater Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language