i Register
In some senses, trey is marked as informal, obsolete, US. Watch for register when choosing this word.
name
A nickname for someone who is the third person in the family sharing his father's name.
A male given name from English of modern usage, derived from the nickname.
noun
A playing card or die with the rank of three.
Before you begin the Game at Picket, you must throw out of the Pack the Deuces, Treys, Fours and Fives, and play with the rest of the Cards, which are in number thirty and six.
He had been a pretty good guy, straight as ace-deuce-trey-four-five, till he got on the force.
A score of three in cards, dice, or dominoes.
A three-pointer.
A three penny coin; a thrippence.
The third bearer of the same personal name in a family, often denoted by suffixed Roman numeral III.