0 an imaginary wall that separates the audience from the action of a stage play or film, which is said to be broken when an actor talks directly to the audience or starts talking as themselves rather than as their character: --
He is able to talk to the characters of the show, and vice versa, which breaks the fourth wall.
The series is notorious for its fourth wall breaking scenes.
A fourth wall holds a small window that looks onto an artificial grotto.
The movie makes frequent use of breaking the fourth wall.
Actors frequently address the audience directly out of character (breaking the fourth wall) and play multiple roles.
Like its predecessor, the game occasionally breaks the fourth wall.
The cast also broke the fourth wall, talking to the camera, and thus the audience, as if they were right there on set.
Both images show the cabin with a fourth wall removed to allow filming take place.