Sloping slat placed across an opening

An art museum that is a famous tourist attraction in Paris; Also called: Louvre Museum.
French art gallery, former palace of the French kings, in Paris. It was converted to an art gallery 1793 to house the royal collections. Two of its best-known exhibits are the sculpture Venus de Milo and Leonardo da Vinci’s painting of the Mona Lisa.
Today the gallery comprises seven sections: ancient, Oriental, Egyptian, painting, sculpture, applied arts, and drawing.