Wortformen:(regular plural) head restraints
noun (Automotive engineering: Vehicle components, Bodywork, controls, and accessories) A head restraint is a headrest or pad firmly supported behind the head of a driver or passenger to minimize whiplash injury in a crash. ⇒ The injury was caused by her head being thrown back against the head restraint during the collision. ⇒ The head restraint should be at a height which positions its center directly in line with the back of the driver's head. ⇒ The well-designed active head restraint system reduces the risk of whiplash injuries.
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