hydraulic brake

noun
UK /haɪˈdrɒlɪk breɪk/
US /haɪˈdrɔːlɪk breɪk/

A hydraulic brake is a brake that uses liquid to help a car or bike stop.

The mechanic checked the hydraulic brake on the car to make sure it worked.


OTHER MEANINGS

2. A braking system in which pressure is transmitted through a liquid to slow or stop a vehicle.

The truck's hydraulic brake system failed, so the driver pulled over.

3. A type of brake used on bicycles or motorcycles that uses fluid instead of cables.

He upgraded his mountain bike with a hydraulic brake for better control.

4. Any brake mechanism operated by hydraulic pressure rather than mechanical linkage.

The elevator uses a hydraulic brake to stop safely at each floor.