Meaning of the word "Pull-out sofa" in English

What does "Pull-out sofa" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

Pull-out sofa

US /ˈpʊlˌaʊt ˈsoʊfə/
UK /ˈpʊlˌaʊt ˈsəʊfə/

Noun

a sofa that contains a mattress and can be converted into a bed

Example:
We bought a new pull-out sofa for the guest room.
The apartment is small, but it has a comfortable pull-out sofa.