noun
- a rest or support of any kind for the head.
- Also called head restraint. a padded part at the top of the back of a seat, especially in an automobile, to protect one’s head against whiplash in a collision.
noun
- an adjustable support for the head, attached to a car seat, to prevent the neck from being jolted backwards sharply in the event of a crash or sudden stop
noun
- a support for the head, as on a dentist’s chair or car seat