trey /ˈtre/
  三點的牌
  Trey n.  Three, at cards, dice, or dominoes; a card, die, or domino of three spots or pips.
     Seven is my chance and thine is cinq and trey.   --Chaucer.
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  trey
       n 1: the cardinal number that is the sum of one and one and one
            [syn: three, 3, III, trio, threesome, tierce,
             leash, troika, triad, trine, trinity, ternary,
             ternion, triplet, tercet, terzetto, deuce-ace]
       2: one of four playing cards in a deck having three pips