As a Noun: 1. The device in a vehicle that is used to make it go slower or stop. Often it is operated by pressing down on it with your foot. English = brake. 2. In a vehicle, a flat surface that a driver presses to operate the brakes. English = brake pedal. 3. As a Verb or Adjective: 1. To operate the brake on a vehicle. English = brake. 2. Of a vehicle, to go slower because the brake has been operated. English = brake.