disc brake

noun

: a brake that operates by the action of a frictional material pressed against the sides of a rotating disc by a caliper

Illustration of disc brake

• 1 caliper
• 2 disc

Examples of disc brake in a Sentence

Recent Examples on the Web

Already on the car were options selected when it was purchased new, including an AM radio, folding rear seat, power steering, power front disc brakes, shoulder harnesses, a rear spoiler, extensions to the fender, and air scoops. —Erik Shilling, Robb Report, 10 Feb. 2025

As for the wheels, both are 12 inches in diameter, while the braking system includes a front disc brake and a rear drum brake. —New Atlas, 7 Feb. 2025

Four-wheel independent suspension, disc brakes, rack-and-pinion steering, and an approximate 3,300-pound weight promise an intimate and responsive driving experience. —Robert Ross, Robb Report, 31 Jan. 2025

Stopping power is provided by hydraulic disc brakes front and rear, each gripping 160-mm rotors when needed. —New Atlas, 28 Jan. 2025

Word History

First Known Use

1865, in the meaning defined above

Kids Definition

disc brake

noun

: a brake that operates by the friction of two plates pressing against the sides of a rotating disc