quill
/kwɪl; kwɪl/ n
1
(a) (also `quill-feather) large feather from the wing or tail （翅膀或尾部的）大羽毛. =>illus at feather 见feather插图.
(b) (also quill-`pen) (formerly) pen made from the hollow stem of this （旧时）（用羽毛管做的）羽毛笔.
2 (usu pl 通常作复数) long sharp stiff spine of a porcupine （豪猪的长而硬的）刺.