Source : Webster's Revised Unabridged Dictionary (1913)

Bullfight \Bull"fight`\, Bullfighting \Bull"fight`ing\, n.
   A barbarous sport, of great antiquity, in which men torment,
   and fight with, a bull or bulls in an arena, for public
   amusement, -- still popular in Spain. -- {Bull"fight`er}, n.

Source : WordNet®

bullfighting
     n : the activity at a bullfight