noun Automotive.
- a brake system in which a disc attached to a wheel is slowed by the friction of brake pads being pressed against the disc by a caliper.
noun
- a type of brake in which two calliper-operated pads rub against a flat disc attached to the wheel hub when the brake is applied
- A brake in which friction is caused by a set of pads, usually made of steel, that press against a rotating disk to slow or stop its rotation.