Meaning of the word "bucket down" in English

What does "bucket down" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

bucket down

US /ˈbʌkɪt daʊn/
UK /ˈbʌkɪt daʊn/

Phrasal Verb

(of rain) to fall very heavily

Example:
It's really starting to bucket down, we should head inside.
The forecast said it would bucket down all afternoon.