brakecord
nounUK /ˈbreɪk.kɔːd/
US /ˈbreɪk.kɔːrd/
A brakecord is a special rope you pull to make something stop.
She pulled the brakecord so the little cart would stop at the station.
OTHER MEANINGS
2. A cord attached to a parachute that opens it when pulled.
He tugged the brakecord and the parachute bloomed open.
3. A safety string on a machine that cuts power when pulled.
The worker grabbed the brakecord when the saw jammed.
4. A rope used to slow a sled or cart going downhill.
The kids used a brakecord to keep the sled from going too fast.