Fetching details from the dictionary...

feather; plume; down
wing
blade (of a fan, propeller, etc.)
shuttlecock (in badminton)
shuttlecock (in hanetsuki)
arrow feathers
「羽」 has other readings with different meanings.
鳥の羽が風に舞っていて綺麗だった。
Bird feathers were dancing in the wind.
蝶の羽はとてもきれいですね。
Butterfly wings are very beautiful.
地面に白い羽が一枚落ちていた。
A single white feather was lying on the ground.