QUILL, n. [L. calamus.]1. The large strong feather of a goose or other large fowl; used much for writing pens. Hence,2. The instrument of writing; as the proper subject of his quill.3. The spine or prickle of a porcupine.4. A piece of small reed or other hollow plant, or which weavers wind the thread which forms the woof of cloth.5. The instrument with which musicians strike the strings of certain instruments.To carry a good quill, to write well.
QUILL, v.t. To plait, or to form with small ridges like quills or reeds; as a woolen stuff quilled.[In the United States, this word is generally, if not universally, pronounced twilled.]