1 Any of the flat appendages growing from a bird’s skin and forming its plumage, consisting of a partly hollow horny shaft fringed with vanes of barbs.
1.1 feathersA fringe of long hair on the legs of a dog, horse, or other animal.
1 with object Rotate the blades of (a propeller) about their own axes in such a way as to lessen the air or water resistance.
1.1 Vary the angle of attack of (rotor blades).
Old English fether, of Germanic origin; related to Dutch veer and German Feder, from an Indo-European root shared by Sanskrit patra ‘wing’, Latin penna ‘feather’, and Greek pteron, pterux ‘wing’.
The variety of birds’ feathers in their length and color pattern is awesome.