n furniture, a pediment refers to a decorative element that is often found at the top of tall case furniture, such as cabinets, bookcases, or armoires. It typically consists of a triangular or curved piece of wood, often with intricate carving or molding, that extends above and beyond the main body of the furniture. Pediments are commonly used to add visual interest and elegance to the overall design of the furniture piece. The triangular otp over a portico or gable end. A similar feature in furniture, at the head of cabinets, or other tall pieces.