quills

Noun

• pen made from a bird's feather
• a stiff hollow protective spine on a porcupine or hedgehog
• any of the larger wing or tail feathers of a bird
• the hollow spine of a feather
• plural of quill

Verb

• present participle and gerund of quill

Synonyms

calamus, flight feather, pinion, quill, quill feather, quill pen, shaft