Quill (n.) : One of the large feathers of a bird's wing, or one of the
rectrices of the tail; also, the stock of such a feather.
Quill (n.) : A pen for writing made by sharpening and splitting the point or nib of the stock of a feather; as, history is the proper subject of his quill.
Quill (n.) : A spine of the hedgehog or porcupine.
Quill (n.) : The pen of a squid. See Pen.
Quill (n.) : The plectrum with which musicians strike the strings of certain instruments.
Quill (n.) : The tube of a musical instrument.
Quill (n.) : Something having the form of a quill
Quill (n.) : The fold or plain of a ruff.
Quill (n.) : A spindle, or spool, as of reed or wood, upon which the thread for the woof is wound in a shuttle.
Quill (n.) : A hollow spindle.
Quill (v. t.) : To plaint in small cylindrical ridges, called quillings; as, to quill a ruffle.
Quill (v. t.) : To wind on a quill, as thread or yarn.