What does the word furl mean?

Usage examples for furl

  1. You'll furl no sails till you're home, my son. – Jim Davis by John Masefield
  2. They have the sails properly reefed, and, if necessary, they can furl them in short order. – The Players by Everett B. Cole
  3. Oh, 'tis hard for us to fold it, Hard to think there's none to hold it, Hard that those who once unrolled it Now must furl it with a sigh! – How the Flag Became Old Glory by Emma Look Scott