backrest — English Dictionary

Noun

1. The back piece of a chair, used to support the sitter's back.

   Synonyms

   back

   Examples

   More examples (1)

   I can identify the pattern of wood grain on my chair at Mom and Dad's kitchen table, but I don't try to sketch it in my mind. For me, chairness is nonvisual; it's the feel of a seat connected to four legs and a backrest.

2. A guide attached to the slide rest of a lathe, and placed in contact with the work to steady it in turning.

Noun

1. a support that you can lean against while sitting

   Synonyms

   back

   Broader terms

   support

   Examples

   the back of the dental chair was adjustable