Feather (noun)

1. One of the light, flat, and curved structures forming the plumage of birds and some dinosaurs, used for insulation and as a means of propulsion in flight.
2. Something resembling a feather in shape or lightness.

Origin:

Old english fether, of germanic origin; related to dutch veder and german feder.

Examples:

1. The bird had beautiful white feathers.
2. The feather was used in the native headdress.
3. The pillow was filled with feathers.
4. The arrow had feathers on the end.
5. The dancers wore feather headdresses.