Answer:
A Pier Glass refers to a large mirror that is designed to be mounted on a wall or a pier (a vertical support structure between windows or doors). It is usually placed in a prominent position and often has decorative elements such as gilded frames, carvings, or embellishments. Pier glasses are typically used for decorative purposes and to enhance the sense of space and light in a room. Wall mirror hanging between windows, in narrow spaces, over a table. Also Pier Table.