Definitions for valanced
Random House Webster's College Dictionary
val•anceˈvæl əns, ˈveɪ ləns(n.)
a short ornamental piece of drapery, wood, metal, etc., placed across the top of a window.
a short curtain or piece of drapery hung from the edge of a canopy, the frame of a bed, etc.
Origin of valance:
1400–50; late ME; perh. after Valence , French city noted for cloth-making