quill /kwɪl/ BrE AmE noun [countable]
[ Date: 1400-1500 ; Origin: Probably from Middle Low German quiele ]
1 . ( also quill pen ) a pen made from a large bird’s feather, used in the past
2 . a stiff bird’s feather
3 . one of the long pointed things that grow on the back of a ↑ porcupine