Ear - A bent corner put on a playing card to identify or locate it.
Easy Way - To make a point number (4,6,8 or 10) any way but the hard way in Craps.
Edge - Definition 1: The casino's advantage over the player in any game. Definition 2: Any advantage.
Eighter from Decatur - The number eight in Craps.
End - A share.
Even Money - A bet that pays you back the same amount you wagered, plus your original wager.
Exacta: A wager picking the two horses finishing first and second in the correct order.
Expected Return - In video poker it's the average amount paid back on a particular play for a particular bet.
Expected Win Rate - A percentage of the total amount of money wagered that you can expect to win or lose over time.
Eye in the Sky - Surveillance video or live monitoring of the game from above.
Eyeballs - In craps, when a player rolls a two.