What is the back of a Victorian dress called?

Victorian dresses consist of two parts, the bodice and the skirt. What makes Victorian dresses special and distinctive is the ample back of the skirt which is supported by a bustle. The bustle is not a part of the dress; it is an undergarment that’s similar to a half slip with enough support to lift the heavy fabrics of a Victorian skirt. Shop a collection of vintage clothing from some of the world’s top boutiques on 1stDibs.