noun / verb
brake
BRAYK/breɪk/
A device used to slow or stop motion, or using such a device.
The brake presses its pads against the bicycle wheel.

Etymology
The breaking root first named crushing tools, especially those that broke woody flax to release fibers. The modern stopping device developed from this meaning, from associated lever or curb senses, or from their convergence.
In context
an automotive brake system is designed to slow or stop the momentum of the vehicle