What does the word quill mean?

Usage examples for quill

  1. We wound along a narrow lane, tolerably well known, I imagine, to the gentlemen of the quill, and entered Holborn. – Pelham, Complete by Edward Bulwer-Lytton Last Updated: March 16, 2009
  2. For a mouth- piece they use a bird's quill. – Through Five Republics on Horseback by G. Whitfield Ray