tambour
n
1 (Real Tennis) the sloping buttress on one side of the receiver's end of the court
2 a small round embroidery frame, consisting of two concentric hoops over which the fabric is stretched while being worked
3 embroidered work done on such a frame
4 a sliding door on desks, cabinets, etc., made of thin strips of wood glued side by side onto a canvas backing
5 (Architect) a wall that is circular in plan, esp. one that supports a dome or one that is surrounded by a colonnade
7 to embroider (fabric or a design) on a tambour
(C15: from French, from tabour tabor)