quill

1. N-COUNT A quill is a pen made from a bird's feather. 羽毛笔

She dipped a quill in ink, then began to write. 她把羽毛笔蘸进墨水中，然后开始写字。

2. N-COUNT A bird's quills are large, stiff feathers on its wings and tail. 鸟类翅膀及尾部的羽毛

3. N-COUNT The quills of a porcupine are the long sharp points on its body. (豪猪身上的)刺