Turn
The fourth board card. Betting on the turn means the round of betting right after it is dealt.
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Example
After a flop of K♠ 9♦ 4♣, the turn is the 7♥, and another round of betting starts.
Also Written
the turnfourth street
Related Words
Quads is for adults, 18 and over. It teaches with play chips only: there is no real money, ever.