When the ciboria over the altar fell into disuse a curtain was suspended at the back of the altar. called a dossel, or dorsal, and two others, one at each side of it.    From Wordnik.com.  [The Catholic Encyclopedia, Volume 1: Aachen-Assize] Reference

A chair of state, with dossel and canopy, was set for the daughter of Algar, and behind stood maidens of Wales, selected in haste for her attendants.    From Wordnik.com.  [Harold : the Last of the Saxon Kings — Complete] Reference

So saying; the old Earl arose, and walked forth with a firm step; and his old hound sprang up, pricked its ears, and followed him; the blinded falcon turned its head towards the clapping door, but did not stir from the dossel.    From Wordnik.com.  [Harold : the Last of the Saxon Kings — Complete] Reference