Last Updated：2025/11/29

(ornithology, rare) Any flight feather that appears between the primaries and secondaries on a bird's wing.

音声機能が動作しない場合はこちらをご確認ください

See correct answer

false primary

Source Word

false primary

rare

(ornithology, rare) Any flight feather that appears between the primaries and secondaries on a bird's wing.

Japanese Meaning

鳥の翼において、主要な飛翔翅羽（初級羽）と次に位置する副翼羽（副初級羽）の間に位置する、珍しい位置にある飛翔用の羽毛

鳥類学者はハヤブサを注意深く調べ、一次羽と二次羽の間に隠れていた稀な飛羽を発見して興奮した。

Sense（1）

(ornithology, rare) Any flight feather that appears between the primaries and secondaries on a bird's wing.

The false primary about one third the length of the first, which is shorter than the fourth.

false primaries

（ plural ）