matadore

 The killer; the man appointed to kill the bull in bullfights; a bullfighter; a toreador.  [1913 Webster]

 In the game of quadrille or omber, the three principal trumps, the ace of spades being the first, the ace of clubs the third, and the second being the deuce of a black trump or the seven of a red one.  [1913 Webster]

 The jack of clubs, or any other trump held in sequence with it, whether by the player or by his adversaries.  [Webster 1913 Suppl.]

 A certain game of dominoes in which four dominoes (the 4-3, 5-2, 6-1, and double blank), called matadors, may be played at any time in any way.  [Webster 1913 Suppl.]