We found 2 dictionaries that define the word head restraints:

General (2 matching dictionaries)

1. head restraints: Merriam-Webster
2. head restraints: Collins English Dictionary

(Note: See head_restraint as well.)

Definitions from Wiktionary (head restraint) ▸ noun:  The headrest of a seat in a motor vehicle. ▸ Also see head_restraint ▸ Words similar to head restraints ▸ Usage examples for head restraints ▸ Idioms related to head restraints ▸ Wikipedia articles (New!) ▸ Words that often appear near head restraints ▸ Rhymes of head restraints ▸ Invented words related to head restraints