Source : Webster's Revised Unabridged Dictionary (1913)

Fighting \Fight"ing\, a.
   1. Qualified for war; fit for battle.

            An host of fighting men.              --2 Chron.
                                                  xxvi. 11.

   2. Occupied in war; being the scene of a battle; as, a
      fighting field. --Pope.

   {A fighting chance}, one dependent upon the issue of a
      struggle. [Colloq.]

   {Fighting crab} (Zo["o]l.), the fiddler crab.

   {Fighting fish} (Zo["o]l.), a remarkably pugnacious East
      Indian fish ({Betta pugnax}), reared by the Siamese for
      spectacular fish fights.