emergency brake


Definition of emergency brake 

: 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

While the magazine said the car has exhilarating acceleration and handling, testers were troubled by its 152-foot average stopping distance from 60 miles per hour in emergency braking tests. Chicago Tribune, chicagotribune.com, "Consumer Reports raises concerns over Tesla Model 3 braking, functionality," 22 May 2018 These leftists are appealing to this radical leftist secular base that almost no emergency brake on their behavior at all. Fox News, "Ingraham: Democrats racing to the left," 28 June 2018 This combination provides a sunroof and automatic emergency braking with pedestrian detection. Tom Voelk, New York Times, "26 Vehicles Played in the Mud. Here’s the Dirt.," 12 July 2018 Most automakers have voluntarily committed to installing low-speed automatic emergency braking systems by 2022, but the progress to date varies greatly, according to NHTSA. Detroit Free Press, "Death on foot," 28 June 2018 Uber had disabled the car’s emergency braking ability, instead relying on a backup safety driver to take control in such situations. Carolyn Said, SFChronicle.com, "Uber lays off 100 backup drivers in self-driving unit," 12 July 2018 Crew on the train, traveling from Tacoma to Everett, spotted the man and hit the emergency brake while sounding the train whistle, Melonas said. Jim Brunner, The Seattle Times, "Man walking on tracks killed by freight train in Shoreline," 24 June 2018 Investigators say the emergency brakes were automatically activated during the derailment instead of being manually applied by the driver. Erik Larson And Pamela Maclean, Houston Chronicle, "Exxon can't dodge state climate change probes, judge says," 29 Mar. 2018 Dominguez hit the emergency brakes, but a four-hundred-ton train can’t stop quickly: the train skidded to a halt over the man and the dog. William Finnegan, The New Yorker, "Can Andy Byford Save the Subways?," 2 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'emergency brake.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of emergency brake

1900, in the meaning defined above

Keep scrolling for more

Learn More about emergency brake

Share emergency brake

Statistics for emergency brake

Last Updated

17 Oct 2018

Look-up Popularity

Time Traveler for emergency brake

The first known use of emergency brake was in 1900

See more words from the same year

Keep scrolling for more

More Definitions for emergency brake

emergency brake


English Language Learners Definition of emergency brake

: a special brake (such as a parking brake in an automobile) that can be used for stopping when the main brakes fail

More from Merriam-Webster on emergency brake

See words that rhyme with emergency brake

Comments on emergency brake

What made you want to look up emergency brake? Please tell us where you read or heard it (including the quote, if possible).


obstinately defiant of authority

Get Word of the Day daily email!

Test Your Vocabulary

Autumn Words of the Day 2018

  • a-top-down-image-of-road-through-an-autumn-forest
  • Which is a synonym of fugacious?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

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