noun
rainwater
noun
1
Water that has fallen as rain, especially before it drains into rivers, lakes, or the sea.
"They collect rainwater in a barrel to water the garden."
"A puddle of rainwater had formed at the bottom of the steps."
How to Use Rainwater
Learner’s notesIn plain EnglishWater that comes from rain, often collected for reuse rather than taken from a tap or river.
Common pairings
collect rainwater
rainwater tank
rainwater harvesting
Word Forms
rainwaters plural, Rainwaters plural
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They collect _____ in a barrel to water the garden.
Etymology
A simple compound of "rain" and "water" going back to Old English regnwæter.