falsecard

From false +‎ card.

falsecard (plural falsecards)

1. (bridge) A card played in order to deceive an opponent as to one's true holding

falsecard (third-person singular simple present falsecards, present participle falsecarding, simple past and past participle falsecarded)

1. (bridge) To play a falsecard
   • 2008 March 31, Phillip Alder, “In Amsterdam, Overtime on the Way to a Title”, in New York Times‎^[1]:

     East returned the diamond eight, the higher of his two remaining cards, on which declarer falsecarded with his ten.