brakes
n. countable A2 Elementary US //ˈbɹeɪks// UK //bɹˈeɪks// brakes
n. the parts of a vehicle or machine that make it slow down or stop. You usually press a pedal or pull a lever to use them.
n. a mechanical device for slowing or stopping a moving vehicle or mechanism, typically by applying pressure to a friction surface.
You should check your brakes before a long car trip.
The cyclist slammed on his brakes to avoid hitting the car that pulled out suddenly.
Modern automotive safety systems often include electronic sensors that monitor the brakes to prevent skidding during emergency stops on slippery road surfaces.
Usage
Commonly used in the plural when referring to the system as a whole; the singular form refers to an individual unit on one wheel.