folding door (noun)

1. As the protagonist entered the room, he pushed the folding door aside, revealing a hidden chamber filled with ancient books.

2. In the comic strip, the superhero burst through the folding door, surprising the villains inside.

3. Their romantic date became even more intimate when they closed the folding door behind them, creating a private space.

4. Why did the accordion player use a folding door? Because he wanted to make an entrance that was both musical and dramatic!