WordNet
rain barrel
n. a barrel used as a cistern to hold rainwater
Usage examples of "rain barrel".
It looked like she was taking a pull from a rain barrel, but she downed the whiskey in one shot.
By the side of the house was an old rain barrel, half fallen apart.
It gurgled from the galvanized tin gutters and plopped in the rain barrel Abby still kept on the far side of the house.
The side street curved slightly, and Cerryl stopped at the corner, just back of a large rain barrel that was held to the timber walls of the dwelling with an iron strap.
You might as well stick your head in a rain barrel, begging Your Highness' pardon.