plural of vacuum brake

(rail transport) A brake used on trains, working on the principle of keeping up a vacuum in a continuous pipe or pipes extending under the train, and in brake-cylinders connected to them under each vehicle, the air being sucked out by ejectors or pumps on the locomotive.

plural of brake block

(on a bicycle) One of two small blocks fitted to a brake caliper, which rub on the wheel rim when the brake is applied.

plural of ribbon brake

A brake having a band which nearly surrounds the wheel whose motion is to be checked.

plural of brake wheel

An inclined wheel that drives a wallower in a mill.

plural of Westinghouse brake

(rail transport) A proprietary air brake designed for railway use by George Westinghouse.