disc brake

noun

variants or less commonly disk brake
: a brake that operates by the action of a frictional material pressed against the sides of a rotating disc by a caliper compare drum brake

Illustration of disc brake

Illustration of disc brake
  • 1 caliper
  • 2 disc

Examples of disc brake in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Front disc brakes became standard in 1959, with all-wheel discs from 1962 onward. Robert Ross, Robb Report, 30 Jan. 2026 Braking comes in the form of disc brakes, both front and rear. New Atlas, 27 Jan. 2026 On top of disc brakes at the axles, many employ regenerative braking, which converts kinetic energy into electricity that feeds back into the power grid or can be used by other trains. Ben Jones, CNN Money, 26 Jan. 2026 The ride was smooth since the car was built with most General Motors extras available in 1967, including power steering, power disc brakes and air conditioning. Laura Lane, USA Today, 12 Nov. 2025 See All Example Sentences for disc brake

Word History

First Known Use

1865, in the meaning defined above

Time Traveler
The first known use of disc brake was in 1865

Browse Nearby Words

Cite this Entry

“Disc brake.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/disc%20brake. Accessed 5 Feb. 2026.

Kids Definition

disc brake

noun
: a brake that operates by the friction of two plates pressing against the sides of a rotating disc
Last Updated: - Updated example sentences
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