Definitions
1.NounThe lower shaft of a feather, specifically the region lacking barbs.
2.NounA pen made from a feather.
3.NounAny pen."He picked up his quill and wrote a poem."
4.NounA sharply pointed, barbed, and easily detached needle-like structure that grows on the skin of a porcupine or hedgehog as a defense against predators. .mw-parser-output .defdate{font-size:smaller}
5.NounA thin piece of bark, especially of cinnamon or cinchona, curled up into a tube.
6.NounThe pen of a squid.
7.NounThe plectrum with which musicians strike the strings of certain instruments.
8.NounThe tube of a musical instrument.
9.NounSomething having the form of a quill, such as the fold or plain of a ruff, or a spindle, or spool, upon which the thread for the woof is wound in a shuttle.
10.NounA quill drive, having a hollow shaft with another movable shaft inside it.
11.VerbTo pierce with quills. (Usually in the passive voice, as be quilled or get quilled.)
12.VerbTo write.
13.VerbTo form fabric into small, rounded folds.
14.VerbTo decorate with quillwork.
15.VerbTo subject (a woman who is giving birth) to the practice of quilling (blowing pepper into her nose to induce or hasten labor).