coverlet

noun

1. A blanket used as a bed covering, usually quilted.

   “Near-synonyms: bedspread, bedcover, counterpane”

   “Year after year unto her feet, She lying on her couch alone, Across the purpled coverlet, The maiden's jet-black hair has grown, […]”

   “The wintering grasses smoldered with a reddish-browh hue, similar to the patches on the bird's coverlet feathers.”