Meaning of the word raining in English

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

raining

US /ˈreɪnɪŋ/
UK /ˈreɪnɪŋ/

Verb

present participle of rain; water falling from the sky in drops

Example:
It's raining heavily outside, so don't forget your umbrella.
The forecast says it will be raining all day tomorrow.