DuckCorp

DuckCorp Dico

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Found one definition 

  1.                 From English - German Ding/FreeDict dictionary ver. 1.9-fd1:
                

    
                
                  
    trey /tɹˈeɪ/
Drei auf Spielkarten, Würfel, Dominosteinen, usw.
         Note: a card, die, or domino with three pips