Verb: rain cats and dogs
Usage: informal
Usage: informal
- Rain heavily
"Put on your rain coat— it's raining cats and dogs outside!";
- pour, pelt, rain buckets [informal], belt down [informal], pelt down [informal], bucket [Brit, informal], teem [informal], tip [Brit, informal], chuck it down [Brit, informal], chuck [Brit, informal]
Derived forms: rained cats and dogs, rains cats and dogs, raining cats and dogs
Encyclopedia: Rain cats and dogs