The term 'theatre SEAT' can be broken down into two crossword solutions: 'STALL' (5 letters) and 'SEAT' (4 letters). A theatre STALL is a type of seating arrangement in which the seats are arranged in rows, typically with no armrests or backs. This type of seating is usually found in larger theatres, such as opera houses, and is often used for performances that require a large audience. The theatre SEAT is the individual SEAT within the STALL, and is usually made of comfortable material such as leather or velvet.