backrest (noun)

1. The designer created a stylish and sleek backrest for the new collection of office chairs.

2. In the cartoon, the main character always relaxes on a fluffy cloud-shaped backrest while watching TV.

3. The church installed comfortable backrests on the pews to help the parishioners maintain good posture during services.

4. The haunted mansion had a chilling and eerie backrest made of bones, adding to the terrifying atmosphere.