exitbutton
nounUK /ˈɛksɪt ˌbʌtən/
US /ˈɛksɪt ˌbʌtən/
A button you press to leave a place or close a program.
Click the exit button to close the game.
OTHER MEANINGS
2. A physical button on a door or gate that opens it so you can go out.
Press the exit button next to the door to unlock it.
3. A button on a remote control or device that stops what it is doing.
He hit the exit button to stop the movie.
4. A button in a video game that takes you back to the main menu.
The exit button is in the top corner of the screen.