abortbutton
nounUK /əˈbɔːt ˈbʌtən/
US /əˈbɔːrt ˈbʌtən/
A button you press to stop something before it finishes.
She pressed the abort button to stop the game.
OTHER MEANINGS
2. A control that cancels a computer task or program.
Click the abort button to close the frozen window.
3. An emergency switch that halts a machine or launch.
The engineer hit the abort button when the alarm sounded.
4. A way to end a plan or activity early.
The team used the abort button on the project before it cost more.