Aces - Full A full house with three aces and any pair.
Ace-High - A five card hand that contains one Ace, with no straight or flush or a hand with no pair in it.
Aces Up - A hand that contains two pairs, one of which is Aces.
Action Checking/Betting/Raising. - A game in which players are playing a lot of pots is considered an "action" game.
Active Player - Any player who is still in the hand.
Add-on - A purchase of more chips (optional) at the end of the re-buy period in a tournament.
All-In - When a player bets all his/her chips.: In online poker, you may be deemed "All-in" when you are disconnected (even if you have chips remaining).
American Airlines - Two Aces.
Ante - Money placed in the pot before the hand is begun.
