The Collaborative International Dictionary
Matador \Mat"a*dor\, Matadore \Mat"a*dore\, n. [Sp. matador, prop., a killer, fr. matar to kill, L. mactare to sacrifice, kill.]
The killer; the man appointed to kill the bull in bullfights; a bullfighter; a toreador.
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(Card Playing) 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.
When Lady Tricksey played a four, You took it with a matadore.
--Swift. [Skat] The jack of clubs, or any other trump held in sequence with it, whether by the player or by his adversaries.
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.
Wiktionary
n. (dated form of matador English)
Usage examples of "matadore".
The great gate is flung open, and the procession marches in, splendidly costumed and glittering: the marshals of the day, then the picadores on horseback, then the matadores on foot, each surrounded by his quadrille of CHULOS.