quill + -y
quilly (comparative more quilly, superlative most quilly)
- With quills; quilled.
- 2005, Jean M. Thompson, Wild Kindred of Fur, Feather and Fin (page 79)
- […] sometimes you may even run across a quilly ball lying right on top of the ledge, or catch one of the numerous porcupine family picking its way leisurely among the rocks.