| 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. |
| disc brake also disk brake n. A brake in which the friction is caused by a set of pads that press against a rotating disk. |
disc brake also disk brake  (dĭsk) Pronunciation Key
(click for larger image in new window) 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. |
