v.
 arrange (cloth or clothing) loosely on or round something. 
▸adorn or wrap loosely with folds of cloth.
n.
   - 
(drapes)
 chiefly N. Amer. long curtains.
 - the way in which a garment or fabric hangs.
 - a cloth for covering a patient's body when a surgical operation is being performed.
 
 
  Etymology
  C17: back-form. from drapery, influenced by Fr. draper ‘to drape’.