(bridge or whist) the suit that has been declared to rank above all other suits for the duration of the hand; "clubs were declared trumps"; "a trump can take a trick even when a card of a different suit is led"
a playing card in the suit that has been declared trumps; "the ace of trumps is a sure winner"
without apparent forethought or prompting or planning; "an unplanned economy"; "accepts an unplanned order"; "an unplanned pregnancy"; "unplanned remarks"