rainwater

/ˈreɪnˌwɔtər/
noun
  1. Water that falls from the clouds as rain, especially when collected for use.
    • They collect rainwater in barrels to water their garden.
    • Rainwater is softer than tap water and better for some plants.
    • After the storm, the rainwater pooled in the driveway.
Antonyms
What does "rainwater" mean? | whatsthatwordmean | whatsthatwordmean