Found 2 items, similar to water butt.
English → English (WordNet)
Definition: water butt
water butt
n : a butt set on end to contain water especially to store
rainwater
English → English (gcide)
Definition: Water butt
Water butt
\Wa"ter butt`\
A large, open-headed cask, set up on end, to contain water.
--Dickens.
[1913 Webster]