plumage plumage /ˈpluːmɪdʒ/

noun

1. The light horny waterproof structure forming the external covering of birds  ( plumage , plume , feather )
   the light horny waterproof structure forming the external covering of birds
    The feather of a bird is a remarkable thing, lightweight and flexible, yet strong enough to provide lift and insulation
   The feather of a bird is a remarkable thing, lightweight and flexible, yet strong enough to provide lift and insulation