Answer:
An unbroken pediment or top section of a highboy, or secretary. Bonnet top is a term used to describe a style of furniture, typically found on cabinets, desks, or secretaries. It refers to a distinctive, curved, and often ornate top section that resembles the shape of a bonnet or hat. This design element is achieved by curving or arched molding or pediment that extends above the main body of the furniture. The bonnet top adds a decorative and elegant touch to the piece and is often seen in traditional or antique furniture styles.