The meaning of FEATHER is any of the light, horny epidermal outgrowths that form the external covering of the body of birds. How to use feather in a sentence.

Feathers are among the most complex integumentary appendages found in vertebrates and are formed in tiny follicles in the epidermis, or outer skin layer, that produce keratin proteins.

FEATHER definition: 1. one of the many soft, light things that cover a bird's body, consisting of a long, thin, central…. Learn more.

Feather Function: What do feathers do? Each feather on a bird’s body is a finely tuned structure that serves an important role in the bird’s activities. Feathers allow birds to fly, but they also help them …

Idioms in fine or high feather, in good form, humor, or health: feeling in fine feather. Idioms ruffle someone's feathers, to anger, upset, or annoy (another person).

a bird's feather or artificial substitute fitted to an arrow to direct its flight