Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun quill
4 senses of quill
Sense 1
quill, quill pen -- (pen made from a bird's feather)
=> pen -- (a writing implement with a point from which ink flows)
Sense 2
quill -- (a stiff hollow protective spine on a porcupine or hedgehog)
=> spine -- (a sharp rigid animal process or appendage; as a porcupine quill or a ridge on a bone or a ray of a fish fin)
Sense 3
flight feather, pinion, quill, quill feather -- (any of the larger wing or tail feathers of a bird)
=> feather, plume, plumage -- (the light horny waterproof structure forming the external covering of birds)
Sense 4
quill, calamus, shaft -- (the hollow spine of a feather)
=> rib -- (a riblike supporting or strengthening part of an animal or plant)