surgical bandage for the stump of amputated limb; small iron skullcap
Roughly shaped crown and brim of felt or straw, to be blocked into hat shape.
Ca'pe·line` noun [ French, from Late Latin capella . See Chapel .] (Medicine) A hood- shaped bandage for the head, the shoulder, or the stump of an amputated limb. 
The capeline was a British woman's hat of the 18th century. The capeline had a wide, soft brim made from fine straw faced with silk and was tied with ribbons.