emergencystop
nounUK /ɪˈmɜːdʒənsi stɒp/
US /ɪˈmɜːrdʒənsi stɑːp/
A button or switch you press to make a machine stop right away when something is wrong.
The driver hit the emergencystop when he saw someone on the tracks.
RELATED WORDS
OTHER MEANINGS
2. A sudden stop made because of danger.
The train made an emergencystop to avoid a fallen tree.
3. A computer command that ends a program at once.
Press the emergencystop key to close the frozen game.
4. A planned halt in a factory when something unsafe happens.
The workers called an emergencystop after the alarm rang.