A petticoat is a type of undergarment worn beneath a dress or skirt. Traditionally, it is a lightweight, often frilly garment that adds volume and shape to the outer clothing. Petticoats can be made from various materials, including cotton, silk, or lace, and they come in different lengths and styles. In the past, petticoats were essential for women's fashion, especially during the Victorian era, when they were worn to create a fuller silhouette. Today, petticoats are still used in some styles of dress, such as ball gowns or wedding dresses, to enhance the overall appearance and provide a touch of elegance.