trumping

from WordNet (r) 3.0 (2006)

trumping
    n 1: (card games) the act of taking a trick with a trump when
         unable to follow suit [syn: {ruff}, {trumping}]

from The Collaborative International Dictionary of English v.0.48

Trump \Trump\, v. i. [imp. & p. p. {Trumped}; p. pr. & vb. n.
   {Trumping}.]
   To play a trump card when one of another suit has been led.
   [1913 Webster]