Shell motive in ornamental design for frames and other carved surfaces. The furniture term coquillage refers to a decorative element or motif often found in furniture design. Coquillage is a French word that translates to seashell in English. In furniture design, coquillage typically refers to the use of seashell-shaped or seashell-inspired ornaments, carvings, or appliques. These decorative elements are often incorporated into the design of furniture, such as tables, cabinets, or mirror frames, to add a touch of elegance, intricacy, and marine-inspired aesthetics. Coquillage can be made of various materials, including wood, metal, or even real seashells, and it is commonly associated with traditional or antique furniture styles.