parlay

/ˈpɑrleɪ/
verb
  1. To use something (such as money, a skill, or an opportunity) to achieve something much greater or more valuable.
    • He parlayed his experience as a chef into a successful line of cookbooks.
    • The athlete parlayed his Olympic medal into a lucrative endorsement deal.
    • She managed to parlay her small online business into a global brand.
  2. To bet an original wager plus its winnings on a subsequent race, contest, or event.
    • He decided to parlay his winnings from the first race onto the second horse.
    • The gambler parlayed his $10 bet into $500 by winning three games in a row.
    • At the casino, she tried to parlay her small bet into a huge jackpot.
noun
  1. A series of bets in which the winnings from one bet are placed on the next, or the bet itself.
    • The parlay failed when the last team lost by a single point.
    • He placed a parlay on three football games, hoping for a big payout.
    • She won a large sum from a parlay at the horse track.