The Collaborative International Dictionary of English v.0.48:

Fire \Fire\, v. t. [imp. & p. p. Fired; p. pr. & vb. n.
   Fring.]
   1. To set on fire; to kindle; as, to fire a house or chimney;
      to fire a pile.
      [1913 Webster]

   2. To subject to intense heat; to bake; to burn in a kiln;
      as, to fire pottery.
      [1913 Webster]

   3. To inflame; to irritate, as the passions; as, to fire the
      soul with anger, pride, or revenge.
      [1913 Webster]

            Love had fired my mind.               --Dryden.
      [1913 Webster]

   4. To animate; to give life or spirit to; as, to fire the
      genius of a young man.
      [1913 Webster]

   5. To feed or serve the fire of; as, to fire a boiler.
      [1913 Webster]

   6. To light up as if by fire; to illuminate.
      [1913 Webster]

            [The sun] fires the proud tops of the eastern pines.
                                                  --Shak.
      [1913 Webster]

   7. To cause to explode; as, to fire a torpedo; to disharge;
      as, to fire a rifle, pistol, or cannon; to fire cannon
      balls, rockets, etc.
      [1913 Webster]

   8. To drive by fire. [Obs.]
      [1913 Webster]

            Till my bad angel fire my good one out. --Shak.
      [1913 Webster]

   9. (Far.) To cauterize.
      [1913 Webster]

   10. to dismiss from employment, a post, or other job; to
       cause (a person) to cease being an employee; -- of a
       person. The act of firing is usually performed by that
       person's supervisor or employer. "You can't fire me! I
       quit!"
       [PJC]

   To fire up,

   1. to light up the fires of, as of an engine; also,
      figuratively, to start up any machine.

   2. to render enthusiastic; -- of people.
      [1913 Webster +PJC]