Meaning

noun anything that resembles a feather in shape or lightness

noun a feather or cluster of feathers worn as an ornament

noun the light horny waterproof structure forming the external covering of birds

originSense 1 (“to adorn, cover, or furnish with feathers or plumes”) is derived from Anglo-Norman plumer (“to cover with or provide with feathers”), or its etymon Latin plūmāre, the present active infinitive of plūmō (“to grow feathers, to fledge; to cover with feathers, to feather; to embroider with a feathery pattern”) (and compare Late Latin plūmō (“to attach feathers to arrows; of a hawk: to pluck…

Etymology from Wiktionary, CC BY-SA 3.0