- feather, plume, plumage - the light horny waterproof structure forming the external covering of birds
--1 is a kind of body covering; animal material
--1 is a part of bird
--1 has parts: vane, web; quill, calamus, shaft
--1 has substances: keratin, ceratin; melanin
--1 has particulars:down, down feather; aftershaft; contour feather; bastard wing, alula, spurious wing; marabou; hackle; flight feather, pinion, quill, quill feather; scapular