backgammon /ˈbæk.ɡæm.ən/noun 2verb 1forms 3 noun2 •A board game for two players in which each has 15 stones which move between 24 triangular points according to the roll of a pair of dice; the object is to move all of one's pieces around, and bear them off the board."I have borrowed Mrs. Palmer's backgammon-board," said Isabella, whose notion of an elderly gentleman's amusements of an evening was derived from what she had seen Mr. Palmer do. — 1838 •A victory in the game when the loser has not borne off a stone, and still has one or more stones in the winner's inner home row or on the bar. verb1 •To win at a backgammon game with the opponent having one or more pieces in the winner’s inner home row or on the bar. formsbackgammoned · backgammoning · backgammons