大おお羽ばね

noun

contour feather; quill feather

Ornithological term for the large, stiff feathers that form the outline of a bird's body, including flight feathers and tail feathers. Contrasts with down feathers (綿羽).

• 大おお羽ばねは鳥とりの体からだの輪りん郭かくを作つくる羽は根ねです。

  Contour feathers are the feathers that form the outline of a bird's body.

• この標ひょう本ほんでは大おお羽ばねの構こう造ぞうがよくわかる。

  In this specimen, the structure of the contour feathers is clearly visible.