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headrest

American  
[hed-rest] / ˈhɛdˌrɛst /

noun

  1. a rest or support of any kind for the head. heads.

  2. 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 heads against whiplash in a collision.

headrest British  
/ ˈhɛdˌrɛst /

noun

  1. a support for the head, as on a dentist's chair or car seat

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of headrest

First recorded in 1850–55; head + rest 1

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.