emergency brake

noun

: a brake (as on an automobile) that can be used for stopping in the event of failure of the main brakes and to keep the vehicle from rolling when parked

Examples of emergency 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.
As a student, Allen was also featured in a local news report in 2017 for developing a prototype emergency brake for wheelchairs. Cnn.com Wire Service, Mercury News, 27 Apr. 2026 As a student, Allen was also featured in a local news report in 2017 for developing a prototype emergency brake for wheelchairs. Alayna Treene, CNN Money, 26 Apr. 2026 The grandfather stopped the vehicle for an unknown reason in Halifax, about 192 miles from London, last year, and failed to apply the electronic emergency brake on his vehicle. Gina Kalsi, PEOPLE, 10 Apr. 2026 Once stationary, deactivate all lights except the hazard flashers, engage the emergency brake, and release the brake pedal to ensure your tail lights remain unlit, minimizing the chance of other drivers colliding with your stationary vehicle. Nc Weather Bot, Charlotte Observer, 10 Apr. 2026 See All Example Sentences for emergency brake

Word History

First Known Use

1871, in the meaning defined above

Time Traveler
The first known use of emergency brake was in 1871

Browse Nearby Words

Cite this Entry

“Emergency brake.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/emergency%20brake. Accessed 1 May. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster