Bench or couch is a term used to describe a piece of furniture that is used for seating. It typically has a back and arms, and can be made from a variety of materials such as wood, metal, and upholstery. Benches are usually found in public places such as parks, while couches are more commonly found in homes. The crossword solution for this term is 'SEAT', which accurately describes the purpose of both benches and couches.