tail feather

• Plume située à l'arrière d'un oiseau, formant la queue et servant au vol, à l'équilibre ou à la parade nuptiale.

A feather located at the rear of a bird, part of the tail plumage used for steering, balance, and display during flight or courtship.

1. Plumage of a bird's tailB1formal

   One of the long feathers that make up the tail of a bird, used for balance, steering, and display.

   plume rectrice

   • The peacock spread its colorful tail feathers to attract a mate.
   • The bird's tail feather was damaged in the storm.
   • Ornithologists study the shape and color of tail feathers for identification.