Casino Glossary

• Underlay

  CasinoStatistics

  A bet unfavorable to the player. The opposite of an overlay.

• Unit (Betting Units)

  Casino

  The value of one chip in games such as roulette.

• Unlimited Poker

  Poker

  A player can bet or raise any amount up to what they have in their stack.

• Up Card (Upcard)

  Blackjack

  The dealer's first face-up (exposed) card. In Basic Strategy, this determines how a player should act on their own hand.

• Up/Down Slot Cycle

  Slots

  A streak of good (up) or bad (down) results for the player.