jackpot

/ˈdʒækpɒt/ noun [C]

Definition

› a large amount of money that you win in a game or a lottery: One ticket holder won a jackpot of 4.2 million euros. The weekly jackpot prize averages 2 million dollars.

› a big unexpected success, profit, etc.: The new executive chairman would have to meet set targets to earn a shares jackpot.

hit the jackpot › to have a big success or make a lot of money, especially if this is unexpected: As the man with responsibility for the US economy, he had hit the jackpot with strong growth and low inflation.

(Definition of jackpot noun from the Cambridge Business English Dictionary © Cambridge University Press)