'stake' - the money risked on a gamble
bet, stakes, wager
gamble - money that is risked for possible monetary gain
jackpot, kitty, pot - the cumulative amount involved in a game (such as poker)
ante - (poker) the initial contribution that each player makes to the pot
kitty, pool - the combined stakes of the betters
pool - any communal combination of funds; "everyone contributed to the pool"