brakepad
nounUK /ˈbreɪk pæd/
US /ˈbreɪk pæd/
A small flat part that presses on a wheel to make it stop.
The bike's brakepad was worn out, so it didn't stop well.
OTHER MEANINGS
2. A pad pressed against a rotating part to slow or stop a machine.
The machine's brakepad needed replacing after months of use.
3. A component in a vehicle's braking system that creates friction.
He checked the brakepad on each wheel before the long drive.
4. A replaceable friction element in disc brakes.
The mechanic swapped the old brakepad for a new one.