quill

Concise Oxford English Dictionary © 2008 Oxford University Press:
quill/kwɪl/

▶noun

• 1 a main wing or tail feather of a bird.

  ■ the hollow shaft of a feather, especially the lower part that lacks barbs.

• 2 a pen made from a quill.

• 3 a hollow sharp spine of a porcupine, hedgehog, etc.

• 4 (quills) another term for penne.

▶verb form (fabric) into small cylindrical folds.

– origin ME: prob. from Mid. Low Ger. quiele.