(obsolete, nautical, slang) To reach an agreement on a plan.

(archaic) porcupine

plural of quill pig

A bit for boring, resembling half of a reed split lengthways and having its end sharpened like a gouge.

plural of quill bit

(chiefly Canada, US, colloquial) The real thing, the genuine article.

Any of the larger wing or tail feathers of a bird; sometimes termed a flight feather.

A pen (writing instrument) made from a quill (a wing or tail feather of a large bird).

plural of quill pen

plural of quill-driver