The Collaborative International Dictionary of English v.0.48:

Toreador \To"re*a*dor`\, n. [Sp., fr. torear to fight bulls,
   fr.L. taurus a bull.]
   A bullfighter.
   [1913 Webster]

WordNet (r) 3.0 (2006):

toreador
    n 1: someone who fights bulls [syn: bullfighter, toreador]