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:
This process acted as a natural brake on warming for millions of years and helped move Earth toward its present cooler climate.
From Science Daily ● Jul. 16, 2026
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
Carefully he pulled it down, tied the loose ends and put the brake on the turning blades.
From "Bless Me, Ultima" by Rudolfo Anaya
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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
When she braked, a third agent became visible standing in front of the car.
From Slate ● Jan. 7, 2026
An 8-year-old Labrador mix, Trevor, had escaped his owner’s yard and ran into the street in front of a Waymo, which braked suddenly, KCAL-TV reported.
From Los Angeles Times ● Nov. 3, 2025
Hamilton came back at him on the run to Turn Four, but Verstappen, on the inside, braked late and Hamilton ran off the track, himself cutting the corner at Turn Five.
From BBC ● Oct. 26, 2025
She stood next to the braked carriage and looked at her name once more.
From "A Tree Grows in Brooklyn" by Betty Smith
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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
Tesla has not clarified if its semitruck has an automatic emergency braking system.
From Los Angeles Times ● Jul. 2, 2026
The world's biggest auto supplier, Bosch makes everything from braking systems to sensors, but has suffered as European carmakers battle fierce overseas competition and weak demand.
From Barron's ● Jun. 10, 2026
The rear flicked sideways as he went over the crest at the start of the braking point, and as he corrected, the car fishtailed, sending the front towards the barriers.
From BBC ● Jun. 5, 2026
But “standard” by then included some remarkable safety technology, like an antilock braking system, which allowed for swifter stoppage time and had first been developed in the 1960s.
From "A Deadly Wandering: A Mystery, a Landmark Investigation, and the Astonishing Science of Attention in the Digital Age" by Matt Richtel
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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.