brake
1 Americannoun
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a device for slowing or stopping a vehicle or other moving mechanism by the absorption or transfer of the energy of momentum, usually by means of friction.
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brakes, the drums, shoes, tubes, levers, etc., making up such a device on a vehicle.
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anything that has a slowing or stopping effect.
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Also called brakeman. a member of a bobsled team who operates the brake.
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Also called breaker. Textiles. a tool or machine for breaking up flax or hemp, to separate the fiber.
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Also called press brake. a machine for bending sheet metal to a desired shape.
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Obsolete. an old instrument of torture.
verb (used with object)
verb (used without object)
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to use or run a brake.
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to stop or slow upon being braked.
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to run a hoisting machine.
noun
noun
verb
noun
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(often plural) a device for slowing or stopping a vehicle, wheel, shaft, etc, or for keeping it stationary, esp by means of friction See also drum brake disc brake hydraulic brake air brake handbrake
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( as modifier )
the brake pedal
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a machine or tool for crushing or breaking flax or hemp to separate the fibres
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Also called: brake harrow. a heavy harrow for breaking up clods
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short for brake van
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short for shooting brake
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Also spelt: break. an open four-wheeled horse-drawn carriage
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an obsolete word for rack 1
verb
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to slow down or cause to slow down, by or as if by using a brake
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(tr) to crush or break up using a brake
noun
noun
verb
Other Word Forms
Etymology
Origin of brake1
First recorded in 1400–50; of uncertain origin; possibly a special use of obsolete brake “a bridle, curb,” from Middle Dutch braeke “(flax) brake” (a tool that separates flax fibers from their woody stems); akin to break
Origin of brake2
First recorded in 1400–50; late Middle English fernebrake “fern thicket, fernbrake,” Old English (fearn)bracu “bed of fern, (fern)brake,” akin to Middle Low German brake “branch, twig, tree stump”
Origin of brake3
First recorded in 1275–1325; Middle English brake, probably by back formation from braken “thicket of fern,” taken as plural; see bracken
Explanation
To brake is to stop. The noun brake is the pedal in the car that stops the vehicle when pressed. When you want to brake, step on the brake)! In Middle English breken meant things that stopped others, such as a bridle for a horse. If your bicycle screeches at the bottom of every hill, maybe you should have the brakes checked. French Poet Paul Valery saw a brake as a stopping agent for more than just a vehicle: “Man's great misfortune is that he has no organ, no kind of eyelid or brake, to mask or block a thought, or all thought, when he wants to.”
Vocabulary lists containing brake
"It Happened in Montgomery"
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"The Black Ferris" by Ray Bradbury
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"Modern Automotive Technology," Vocabulary from Section 11
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
It can be a guardrail, not a brake.
From The Wall Street Journal ● Jul. 9, 2026
Reintroducing tigers could put "a bit of a brake" on unsustainable development in the Cardamoms, said Tom Gray, of WWF's global tiger programme.
From Barron's ● Jul. 8, 2026
Just a few days earlier, U.S. regulators proposed nixing rules requiring manual brake pedals in autonomous vehicles.
From MarketWatch ● Jul. 1, 2026
"By identifying an internal brake that had until now gone unrecognized and by developing antibodies capable of neutralizing it, our researchers are offering an innovative solution to the limitations of current treatments," he said.
From Science Daily ● Jun. 9, 2026
“Stop so that we can buy akara and fried fish,” Kainene said to the driver, and even the driver’s stepping on the brake made Richard nervous.
From "Half of a Yellow Sun" by Chimamanda Ngozi Adichie
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The car braked, steered and accelerated more smoothly than my Ford Mustang Mach-E.
From The Wall Street Journal ● Jan. 30, 2026
“The Waymo Driver braked hard, reducing speed from approximately 17 mph to under 6 mph before contact was made.”
From Los Angeles Times ● Jan. 29, 2026
When she braked, a third agent became visible standing in front of the car.
From Slate ● Jan. 7, 2026
Bortoleto was trying to pass Williams' Alex Albon but appeared to hit a wet patch on the track as he braked.
From BBC ● Nov. 8, 2025
He had no feeling of his left hand but he braked all he could with his right and the line rushed out.
From "The Old Man and The Sea" by Ernest Hemingway
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A federal safety regulator has found that a long-standing investigation into unexpected braking issues in certain Tesla models posed only a low safety risk and have been addressed in subsequent software updates.
From The Wall Street Journal ● Jul. 2, 2026
Federal regulators are currently weighing a mandate for emergency braking systems in vehicles more than 10,000 pounds.
From Los Angeles Times ● Jul. 2, 2026
But the lack of braking points means the cars will be energy starved this year, so will be running with not much more than half the engines' full power at key points of the track.
From BBC ● Jul. 2, 2026
The car responded smoothly though, braking where necessary.
From Barron's ● Jun. 24, 2026
As the sirens surrounded us, as the cop cars came braking to a halt, the driver’s door opened, and Spoon emerged.
From "Shelter (Book One): A Mickey Bolitar Novel" by Harlan Coben
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.