W: (n) gamble [Related to: gamble] (money that is risked for possible monetary gain)
W: (n) gambler [Related to: gamble] (a person who wagers money on the outcome of games or sporting events)
W: (n) gambling [Related to: gamble] (the act of playing for stakes in the hope of winning (including the payment of a price for a chance to win a prize)) "his gambling cost him a fortune"; "there was heavy play at the blackjack table"