quill

1a (1) :  a bobbin, spool, or spindle on which filling yarn is wound (2) :  a hollow shaft often surrounding another shaft and used in various mechanical devicesb :  a roll of dried bark cinnamon quills

2a (1) :  the hollow horny shaft of a feather — see feather illustration (2) :  feather; especially :  one of the large stiff feathers of the wing or tailb :  one of the hollow sharp spines of a porcupine or hedgehogc :  ³pen 3

3 :  something made from or resembling the quill of a feather; especially :  a pen for writing

4 :  a float for a fishing line