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
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emergency brake
noun
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First Known Use of emergency brake
1900
EMERGENCY BRAKE Defined for English Language Learners
emergency brake
noun
Definition of emergency brake for English Language Learners
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: a special brake (such as a parking brake in an automobile) that can be used for stopping when the main brakes fail
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