contour feather

(ornithology) Any feather possessing a central shaft (rachis), usually with vanes composed of barbs.

Japanese Meaning

中央に軸（脊柱）を持ち、バーブからなる羽軸（羽ばら）を備えた羽毛。通常は鳥の外形を形成する羽毛を指す。

A single contour feather drifted across the path, its barbs catching the light like a miniature sail.

羽軸のある一本の羽が小道を漂い、羽枝が小さな帆のように光を受けていた。

Sense（1）

(ornithology) Any feather possessing a central shaft (rachis), usually with vanes composed of barbs.

contour feathers

（ plural ）