Pronunciation: (bak'gam"un, bak"gam'-),[key] —n. 1. a game for two persons played on a board having two tables or parts, each marked with 12 points, and with both players having 15 pieces that are moved in accordance with throws of the dice.
2. a victory at this game, esp. one resulting in a tripled score.
—v.t. to defeat at backgammon, esp. to win a triple score over.