Dossal

A Dossal (or dossel, dorsel, dosel), from French dos (back), is an ecclesiastical ornamented cloth suspended behind an altar. Altar screen is sometimes used as a synonym for the Dossal. ...
Found on http://en.wikipedia.org/wiki/Dossal

dossal

dossel noun an ornamental hanging of rich fabric hung behind the altar of a church or at the sides of a chancel
Found on https://www.encyclo.co.uk/local/20974

dossal

ornamental cloth hung behind and above an altar
Found on http://phrontistery.info/d.html
No exact match found