haltcommand
nounUK /ˈhɔːlt.kəˌmɑːnd/
US /ˈhɔːlt.kəˌmænd/
A haltcommand is an order that tells everyone to stop right away.
The captain shouted a haltcommand, and the whole line froze.
OTHER MEANINGS
2. A computer instruction that makes a program or machine stop running.
The debugger sent a haltcommand to the runaway process.
3. A signal in a game that pauses all action for a moment.
Pressing the red button sends a haltcommand to every player.
4. A formal announcement that ends a march or parade.
The drum major gave the haltcommand at the end of the route.