What does the word tinker mean?

Usage examples for tinker

  1. Where our Sheriff has failed, and the stout Guy of Gisborne, and many more beside, it behoves not a mere tinker to succeed. – Robin Hood by J. Walker McSpadden
  2. While looking over his machine as best he could to see if there was any chance to tinker it up so as to make another flight, he stopped short, his pulse leaping. – Our Pilots in the Air by Captain William B. Perry
  3. " She loves me, hear that, boy," said the tinker. – Darrel of the Blessed Isles by Irving Bacheller