Pronunciation: (bak'gam"un, bak"gam'-), [key]
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.
to defeat at backgammon, esp. to win a triple score over.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.