n. 三点的牌

Trey \Trey\, n. [OF. treis three, F. trois, L. tres. See
{Three}, and cf. {Tray-trip}.]
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.