1. [ noun ] pen made from a bird's feather
Synonyms: quill_pen
Related terms: pen
2. [ noun ] (zoology) a stiff hollow protective spine on a porcupine or hedgehog
Related terms: spine porcupine hedgehog
3. [ noun ] Last name, frequency rank in the U.S. is 16040
4. [ noun ] (zoology) any of the larger wing or tail feathers of a bird
Synonyms: pinion quill_feather flight_feather
Related terms: feather primary tail_feather wing
5. [ noun ] (zoology) the hollow shaft of a feather
Synonyms: shaft calamus
Related terms: rib feather
Similar spelling:   quell