Trifecta!" is an optional side bet for traditional blackjack. Players combine their first-two cards with the dealer's upcard to make a three-card hand. Trifecta, Trifecta 3 and Trifecta Stax offer different payouts on specific hands.1. : a bet made with a player other than a house that customarily books all bets or other than with the shooter (as in craps) 2. : a bet made by the shooter in craps on any event other than the outcome of his center bets.
