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.

Idiom feather in your cap (Definition of feather from the Cambridge Academic Content Dictionary © Cambridge University Press)

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).

Dec 14, 2025 · feather (plural feathers) A branching, hair-like structure that grows on the bodies of birds, used for flight, swimming, protection and display. quotations

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

A feather is made of a horny substance and has a narrow, hollow shaft bearing flat vanes formed of many parallel barbs. The barbs of outer feathers are formed of even smaller structures (called …

The expression birds of a feather flock together means that people who are alike tend to do things together. She likes to refer to birds as “our feathered friends.” She was accused of feathering her …

A feather has a narrow, hollow shaft bearing flat vanes formed of many parallel barbs. The barbs of outer feathers are formed of even smaller structures (called barbules) that interlock.

Definition of feather noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.