Meaning of the word "pour down" in English

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

pour down

US /pɔːr daʊn/
UK /pɔː daʊn/

Phrasal Verb

to rain heavily

Example:
It started to pour down just as we left the house.
The rain was really pouring down, so we had to stay inside.