[reyn-waw-ter, -wot-er]
See more synonyms for rainwater on Thesaurus.com

Origin of rainwater

before 1000; Middle English rein water, Old English regn-wæter; see rain, water


[reyn-waw-ter, -wot-er]
  1. (Leo) James,1917–86, U.S. physicist: Nobel prize 1975.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for rainwater

drink, rain, saliva, aqua, tears, rainwater

Examples from the Web for rainwater

Contemporary Examples of rainwater

  • Some solbreeders still exist on nearby anchored ships, living off fish and rainwater, and some hope of eventual rescue.

  • RH: The planking system drains into the plantings so only about 20 percent of the rainwater will go into the sewer system.

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    Summer Lovers

    Matthew Dakotah

    September 19, 2009

Historical Examples of rainwater

British Dictionary definitions for rainwater


  1. water from rain (as distinguished from spring water, tap water, etc)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for rainwater

Old English renwæter; see rain (n.) + water (n.1).

Online Etymology Dictionary, © 2010 Douglas Harper