1. A variation of backgammon.
2. A card game in which two cards are dealt face up and a player bets whether the rank of the next card will be between the ranks of the two cards.
(Games, other than specified) a form of backgammon
ace•y-deuc•y(ˈeɪ siˈdu si, -ˈdyu-)
a form of backgammon.