What is "downier"

Usage examples of "downier".

Does not sleep seem to hover with a downier wing over those sofas on which the limbs of a princess have been laid?

Her shrunken bones were bundled in soft green furs like the carpeting, only of a lighter, more delicate shade and much fluffier and downier, as if her robe were made from an unborn star-animal of the mammoth breed which had provided the enormous rug.