Online Casino Gambling Glossary - Terms & Expressions
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Online Casino Gambling Glossary

More than 141 gambling terms & expressions

For those of you just starting out online gambling, we have developed this comprehensive online casino gambling glossary to help you understand the most widely used terms and definitions in the online gambling world. Of course, it is not essential to be familiar with all these terms in order to play, but they're still good to know. Have fun.

  • Underlay
    An unfavorable wager on an outcome that has more money bet on it than can be justified by the probability of that event actually happening.
  • Unit
    Simplified gaming expression denoting the smallest amount of money used in a wager. By using units the need to calculate actual dollar amounts in their various chip denominations can be eliminated.