From Longman Dictionary of Contemporary Englishwater buttˈwater butt noun [countable] British English DLGa large container that is kept outside and used for collecting rainwater
Examples from the Corpus
water butt• Then there's a water butt up by the back door; and some honeysuckle growing over the porch.• With a water butt, the water is collected and can be used for gardens.• They say there are schemes available that could be implemented, such as the simple water butt.• After I fell in the water butt.• Her next move was towards the water butt.• He always used to tuck it underneath the water butt.• The water butt juggles with raindrops. 