drum brake


noun Automotive.

a brake system in which a pair of brake shoes can be pressed against the inner surface of a shallow metal drum that is rigidly attached to a wheel.

Origin of drum brake

First recorded in 1945–50

British Dictionary definitions for drum brake

drum brake

noun

a type of brake used on the wheels of vehicles, consisting of two pivoted shoes that rub against the inside walls of the brake drum when the brake is applied