Not openly acknowledged or displayed
a covert rescue mission at night
A patch of small feathers, frequently of a distinctive colour, covering the ear of a bird.
A short, light overcoat designed to be worn for outdoor sports such as shooting and riding
A married woman
(In a bird’s tail) each of the smaller feathers covering the bases of the main feathers
(In a bird’s wing) each of the smaller feathers covering the bases of the flight feathers