noun. ['ˈhɛˌdrɛst'] a rest for the head.
1. Adjective, superlative Pull the headrest up and out of the seat until the post is clear of the base. 2. Noun, singular or mass Pass the fabric strap through the gap between the headrest and the top edge of the back seat.
noun. ['ˈhɛˌdrɛst'] a cushion attached to the top of the back of an automobile's seat to prevent whiplash.