Definition of of a feather
- Those two guys are birds of a feather.
: any of the light, horny, epidermal outgrowths that form the external covering of the body of birds
: the vane of an arrow
: to furnish (something, such as an arrow) with a feather
: to cover, clothe, or adorn with or as if with feathers
: to turn (an oar blade) almost horizontal when lifting from the water at the end of a stroke to reduce air resistance
What made you want to look up of a feather? Please tell us where you read or heard it (including the quote, if possible).