Valance/ˈvæləns/ Definition 1 of 2Pro Tip 1/3Home Decor Valance usually refers to home decoration, adding style to windows and beds. The blue valance matched the room's coastal theme. Pro Tip 2/3Concealing Purpose A valance can hide curtain fixtures or the space under a bed. She preferred a valance to conceal the curtain rods. Pro Tip 3/3Decorative Variety Valances come in different materials and designs, from simple to ornate. A floral valance added a romantic touch to the bedroom.