combo beta bet (= an amount of money risked on the result of an event) that involves a number of choices so that you could win in more than one situation.COMBO BET Crossword Clue · Betting combo (100%) · Combo bet at Belmont (86.29%) · A combo (71.71%) · Combo (71.71%) · Best, as a bet (66.14%) · Best bet (66.14