errorbutton

noun
UK /ˈerə bʌtən/
US /ˈerər bʌtən/

A button you press to make a mistake go away or to say something went wrong.

When the game froze, Mia clicked the errorbutton to restart it.


OTHER MEANINGS

2. A key on a keyboard or screen that reports a problem to a computer.

The program showed a pop-up and asked him to hit the errorbutton.

3. A pretend button in a game that makes funny mistakes happen.

In the silly game, the errorbutton made the character trip over its feet.

4. A button that stops a machine when something goes wrong.

The robot's errorbutton flashed red, so the engineer pressed it quickly.