Meaning of the word "volunteer work" in English

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

volunteer work

US /ˌvɑːl.ənˈtɪr ˈwɜːrk/
UK /ˌvɒl.ənˈtɪə ˈwɜːk/

Noun

work that is done without payment, especially for a charity or other organization

Example:
She dedicates her weekends to volunteer work at the animal shelter.
Many students gain valuable experience through volunteer work.