valance

noun

1. A short curtain that usually hangs along the top edge of a window.
2. A decorative framework used to conceal the curtain mechanism and so on at the top of a window.
3. (bedding) A short, decorative edging of cloth that hangs from the mattress to the floor.
4. The drooping edging of the lid of a trunk, which covers the joint when the lid is closed.