American Wheel - A roulette wheel that has a total of 38 numbers; 0, 00, 1 – 36.
American roulette – This style consist of a roulette wheel which has 38 slots and numbers from 1 to 36 with the addition of 0 and 00. With the 00, American roulette gives higher advantage to the house, as compared to French, Russian or European roulette.
Ball – A small plastic ball thrown into the spinning roulette wheel in the opposite direction of the spin. When the ball lands on one of the number pockets, it determines the payoff for each spin.
Black – A bet on all the black numbers.
Block Betting – A set of numbers on a specific section of a wheel, usually bet as a group in some roulette strategies.
Backtrack – the outer rim of the wheel in roulette where the ball spins. It is also known as ball-track.
Biased Numbers – this refers to numbers that continue to come out in the game, caused by biased wheels.
Biased wheels – an imperfect roulette wheel causing numbers to appear often than what probability allows.
Big Number – a number that hits more often than is theoretically possible. It may be indicative of a biased number.
Black action- when players bet with a black chip worth $100
Black Bet – when a player puts his wager on the color whose next number is black
Bottom Track – the inner area of a roulette wheel that slants or remains stationary, where the ball slides before bouncing from the wheel onto the pocket
Column Bet – A bet on a group of twelve numbers at the same time, grouped together by the 3 columns that make up the roulette table.
Combination Bet – Using one or more chips in the same position to bet on more than one number simultaneously.
Corner Bet – One wager placed on four numbers at the same time. Pays 8:1.
Coup – One roll, one decision.
Croupier – A casino employee who runs the roulette table.
Double Zero – A bet on the 00 number.
Dozen Bet – A bet on a group of three numbers on the roulette table: 1-12; 13-24; 25-36.
En prison rule – This is also known as the surrender rule. Mostly applicable in European roulette; in an en prison rule, when the player makes an outside bet (even money, or red/black), and then the ball drops on 0, the player has the option to lose half the bet or retain the money at stake en prison, meaning leaving it on the table for the next spin. When a player opts to leave it, the chance or the edge of the house is considerably lowered in the next spin.
European roulette – This style consist of a roulette wheel which has 37 slots and numbers from 1 to 36 with the addition of a 0. European roulette provides a lower house edge, compared to the American roulette, so the odds of winning are greater.
European Wheel – also known as French wheel.
Even Bet – Betting on all the even numbers. Pays 1:1.
Five Number – Bet Bets on numbers 0, 00, 1, 2, 3 at the same time. Casino has a 7.89% edge.
French Wheel – Roulette wheel with just one zero.
Grand Martingale System – A player attempts to get an additional chip profit after every loss.
Green Numbers –The zero and double zero.
High or Low Bet – A bet on a group of 18 numbers: 1-18 is low; 19-36 is high. Pays 1:1.
House edge – the advantage of the house to make profits on each game; It is estimated as the difference between true odds and the actual pays out the casino makes.
High bet – when players place best on any of these numbers – 19 to 36
House Percentage – The advantage that the casino has over the player.
Inside Bet – A bet placed on any of the numbers directly inside the layout. Odds on these bets range from 5:1 up to 35:1
Inside bet – when a player bets on or between numbers in the boxes of the layout.
La partage rule – Mainly applicable in European roulette games. It has the same idea as the en prison rule except that the player is not given the option to keep the bet in place for the next game. The player just simply loses half of the bet and not the entire bet.
Low bet – when players bet on any of these numbers 1 – 8
Line Bet – A bet on six adjoining numbers which pays 5:1.
Martingale System – a system where the player may win at roulette by choosing to bet on one with a 50-50 chance of winning and then just continue to double the bet every time the player loses. This kind of system is quite flawed, however. The player stands to lose a lot.
Neighbors – The numbers adjacent to the winning number, on the left and right.
Non Value Chip – a casino issued gaming chip whose dollar value depends on the amount of the chips taken in a buy-in. For example, a buy-in of $300.00, with 60 chips amount to $5.00 per chip.
Orphelins (Orphans) – most commonly found in European casinos. Orphan is when players bet on specific number of three, which are laid out close together on the wheel, but are actually far apart on the roulette table layout. (Example 6, 3, 17)
Outside bet – when a player bets with even money (for example black/red, high/low, odd/even) and the payout is 1:1
Parlay – when a player places his bet on the table and leaves it along with an added new bet, ready for the next spin.
Payout or Pay Out – the winnings the casino pays to a player
Pinching – removing chips illegally from the betting table after the result has been delivered.
Quarter bet – when a player bets on one of four numbers, similar to corner bet or square bet
Red bet – when a player puts his wager on the color whose next number is red
Reverse Martingale Betting System – when using the Martingale betting system in reveres by doubling up after each win and not after loss.
Roulette chips – these are casino issued chips for playing roulette only and may not be used for any other games. For American roulette, there are specific sets in different colors given to each player so that their chips can be easily identifiable on the table. For European roulette, the chips given out are of the same color so player has to remember which one is theirs.
Roulette layout – a roulette layout has numbered grids and colors on a table where players can place their bets using roulette chips
Roulette strategy – a method any players use in order to improve chances of winning or avoid incurring huge amounts of losses.
Roulette system – a method designed for players to help them beat the wheel or decrease house advantage, one such example is the Martingale System.
Roulette table – the table consist of the layout and the wheel.
Roulette wheel – the wheel is a movable part of the table. It is generally divided into alternate colors of black and red. The numbers on the wheel, from 1 to 36m are not placed in a sequence. In the American version, there is even a green compartment with a 00. The wheel moves clockwise and then the roulette ball is thrown on the rim, to go on the opposite direction.
Single zero roulette – also known as European roulette
Six number bet – when a player bets on six numbers at one time.
Split bet – when a player bets on two numbers together
Straight bet – when a player bets on just one number. Betting in this manner gives the player a higher pay out, in case he wins
Street bet – when a player bets on three numbers
Surrender rule – also known as En prison rule.
Tiers du cylinder – French term for when a player bets on a group of numbers on the roulette wheel which are laid close together on the roulette table layout.
Visual Wheel Tracking – when a player has the ability to foretell where the ball will land just by looking at it spinning on the wheel
Odd Bet – A bet on all the odd numbers. Pays 1:1.
Outside Bet –Betting on anything but the numbers – red, black, odd, even, high, low, columns etc.
Parley or Press – A player leaving his winnings from the previous bet on top of his current bet.
Red – A bet on the red numbers. Pay 1:1.
Run – A series of like results.
Single Number – A straight up bet which pays 35:1.
Six Number Bet – A combination of six inside numbers at the same time.
Slots – The sections of the roulette wheel which hold the numbers.
Special Line Bet – A bet on the first five numbers – 0, 00, 1, 2, 3.
Split Bet – An inside combination bet of two numbers simultaneously.
Square or Quarter Bet – A bet on a square of four numbers, which pays 8:1.
Straight Bet – A single wager on a single number. Pays 35:1
Straight Up Bet – Bets on just one number (0-36).
Street Bet – A bet on any three numbers in a line, which pays 11:1.
Toke – A tip for the dealer.
Trio Bet – A combination bet on three numbers simultaneously.
Wheel Checks – Unique unmarked chips used specifically on roulette tables.
Wheel Clocking – when a player keeps track of the result of the spins to determine patters as well as possibilities and bias. Another way to track this is using electronics, in the hope of predicting where the ball will drop
Zero – A bet on the 0 number. Pays 35:1