58 Pa. Code § 686a.1
The following words and terms, when used in this chapter, have the following meanings, unless the context clearly indicates otherwise:
Ante Wager—The wager that a player is required to make prior to any cards being dealt to participate in the round of play.
Bonus Wager—An optional wager a player shall make prior to any cards being dealt to compete against a posted payout table.
Hand—The three cards dealt to the player.
Over 23 Wager—An additional wager made by the player after the first card is dealt to his hand if the player opts to remain in the round of play.
Surrender—When the player opts to forfeit his ante wager after being dealt the first card of the hand in a round of play.
Under 18 Wager—An additional wager made by the player after the first card is dealt to his hand if the player opts to remain in the round of play.