Meaning of the word "good turn" in English

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

good turn

US /ɡʊd tɜrn/
UK /ɡʊd tɜːn/

Idiom

a helpful or kind act

Example:
She did me a good turn by lending me her car.
Always try to do a good turn for someone every day.