leavebutton
nounUK /ˈliːvˌbʌtən/
US /ˈliːvˌbʌtən/
A button you press to go out of a game or room.
Press the leavebutton to exit the game.
OTHER MEANINGS
2. A button that makes a character or player leave a group.
She tapped the leavebutton to quit the team.
3. A button on a website that takes you away from a page.
The leavebutton closed the chat window.
4. A switch that turns off a device or session.
He hit the leavebutton and the screen went dark.