Quill - Definition
quill
n 1: pen made from a bird's feather [syn: quill, quill pen]
2: a stiff hollow protective spine on a porcupine or hedgehog
3: any of the larger wing or tail feathers of a bird [syn:
flight feather, pinion, quill, quill feather]
4: the hollow spine of a feather [syn: quill, calamus,
shaft]