One of the large, strong feathers of a birds wing or tail; also, the hollow shaft of a feather.

鸟翎；羽管。

A pen made from a feather.

翎毛笔。

One of the long, sharp spines of the porcupine.

豪猪之刚毛。

To plait or iron into small fluted ridges.

作折叠；折裥；打摺。