- The underwool of the Arctic muskox, used as a fibre.
- The main shaft of a feather
- A pen made from a feather
- Figuratively, any pen.
He picked up his quill and wrote a poem.
- A sharp pointed, barbed and easily detached needle-like structure that grows on the skin of a porcupine as a defense against predators.
- the art of creating decorative designs from thin strips of curled paper
(obsolete) a band of fluted muslin resembling a row of quills