Main Entry: ²rain

Function: verb

Date: before 12th century

intransitive verb

1 : to send down rain
2 : to fall as water in drops from the clouds
3 : to fall like rain <soot and ash rained down>transitive verb 1 : to pour down
2 : to give or administer abundantly <rained blows on his head>

— rain cats and dogs : to rain heavily