NO-LIMIT: A betting structure allowing players to wager any or all of their chips in one bet.

OPENER: The player who made the first voluntary bet.

OPENER BUTTON: A button used to indicate who opened a particular pot in a draw game.

OPENERS: In jacks-or-better draw, the cards held by the player who opens the pot that show the hand qualifies to be opened. Example: You are first to bet and have a pair of kings; the kings are called your openers.

OPTION: The choice to raise a bet given to a player with a blind.

OVERBLIND: Also called oversize blind. A blind used in some pots that is bigger than the regular big blind, and usually increases the stakes proportionally.

PASS: (1) Decline to bet. In a pass-and-out game, this differs from a check, because a player who passes must fold. (2) Decline to call a wager, at which point you must discard your hand and have no further interest in the pot.

PAT: Not drawing any cards in a draw game.

PLAY BEHIND: Have chips in play that are not in front of you (allowed only when waiting for chips that are already purchased). This differs from table stakes.

PLAY THE BOARD: Using all five community cards for your hand in hold'em.

PLAY OVER: To play in a seat when the occupant is absent.

PLAYOVER BOX: A clear plastic box used to cover and protect the chips of an absent player when someone plays over that seat.

POSITION: (1) The relation of a player's seat to the blinds or the button. (2) The order of acting on a betting round or deal.

POT-LIMIT: The betting structure of a game in which you are allowed to bet up to the amount of the pot.

POTTING OUT: Agreeing with another player to take money out of a pot, often to buy food, cigarettes, or drinks, or to make side bets.

PROPOSITION BET: A side bet not related to the outcome of the hand.

PROTECTED HAND: A hand of cards that the player is physically holding, or has topped with a chip or some other object to prevent a fouled hand.

PUSH: When a new dealer replaces an existing dealer at a particular table.

PUSHING BETS: The situation in which two or more players make an agreement to return bets to each other when one of them wins a pot in which the other or others play. Also called saving bets.