trump trump /ˈtrʌmp/

noun

1. [Archaic] A brass musical instrument with a brilliant tone; has a narrow tube and a flared bell and is played by means of valves  ( cornet , trump [Archaic] , horn , trumpet )
   a brass musical instrument with a brilliant tone; has a narrow tube and a flared bell and is played by means of valves
    The trumpeter played a majestic fanfare during the overture
   The trumpeter played a majestic fanfare during the overture
   
   
2. (card games) the suit that has been declared to rank above all other suits for the duration of the hand  ( trump )
   (card games) the suit that has been declared to rank above all other suits for the duration of the hand
    Clubs were declared trumps
   clubs were declared trumps
    A trump can take a trick even when a card of a different suit is led
   a trump can take a trick even when a card of a different suit is led
   
3. A playing card in the suit that has been declared trumps  ( trump , trump card )
   a playing card in the suit that has been declared trumps
    The ace of trumps is a sure winner
   the ace of trumps is a sure winner
   

verb

1. Proclaim or announce with or as if with a fanfare  ( trump , trump out )
   proclaim or announce with or as if with a fanfare
   
2. (card game) play a trump  ( ruff , trump )
   (card game) play a trump
   
3. Get the better of  ( outdo , outflank , scoop , best , trump )
   get the better of
    The goal was to best the competition
   the goal was to best the competition
   
4. [Archaic] Produce a sound as if from a trumpet  ( trump [Archaic] )
   produce a sound as if from a trumpet