What does the word hack mean?

Usage examples for hack

  1. " Fellow, you couldn't hire this hack for a million dollars," he said. – Complete Story of the San Francisco Horror by Richard Linthicum Trumbull White Samuel Fallows
  2. A groom cleaning Sir John's hack at the stables let him go loose, whereby he kicked himself lame in five minutes; but he ran out and gave chase to Tom. – Journeys Through Bookland V2 by Charles H. Sylvester