Part of speech: Noun
a cushion attached to the top of the back of an automobile's seat to prevent whiplash
Categories: Cushion
Part of speech: Noun
a rest for the head
Categories: Rest
Headrest, Head restraint
head – A related word in the same word family.
rest – A related word in the same word family.
English spelling is irregular because it preserves pronunciations from multiple historical periods simultaneously.