emergency brake: Meaning and Definition of

emer'gency brake"

Pronunciation: [key]
  1. Also calleda special brake used to prevent a motor vehicle from rolling after it has stopped or been parked. Cf. brake (def. 1).
  2. any brake meant to stop a vehicle in an emergency.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.