Casino Terms Glossary:
Common Casino Words and Their Meanings
New to online casinos? Casino terminology can sometimes make games, bonuses and wagering requirements feel more complicated than they really are. From RTP and volatility to paylines, wild symbols and progressive jackpots, understanding the language used by casinos can help you make more informed decisions.
This casino glossary explains the most common online casino terms in simple language.
A | |
Active Payline | A payline that has been activated by the player’s wager. Wins can only be awarded on active paylines. |
Action | The total amount of money a player wagers over a session, used by casinos to calculate comps. |
All-In | A poker term used when a player bets all their remaining chips on one hand. |
Ante | A small compulsory bet that players must place before a poker hand begins. Antes help build the starting pot. |
Autoplay | A feature that allows a slot game to spin automatically for a chosen number of rounds. Players should always set suitable spending and loss limits when using autoplay. |
Average Return to Player | The percentage of all wagered money a slot or game is programmed to pay back to players over time. An RTP of 96% means the game returns $96 for every $100 wagered, on average, over a large number of spins. |
B | |
Baccarat | A popular card game in which players bet on whether the Player hand, Banker hand or a tie will produce a total closest to nine. |
Bankroll | The amount of money a player has set aside for gambling. A casino bankroll should always be separate from money needed for bills, food, savings and other essential expenses. |
Banker Bet | A baccarat wager predicting that the Banker hand will win. A commission may apply to winning Banker bets. |
Bet | The amount of money placed on the outcome of a casino game. |
Bet Limit | The minimum or maximum amount that can be wagered on a game, hand or spin. |
Blackjack | A table game in which players try to achieve a hand value closer to 21 than the dealer without exceeding 21. |
Bonus | A promotional reward offered by a casino. Bonuses may include match bonuses, free spins, cashback or no-deposit offers. |
Bonus Code | A word or combination of letters and numbers entered when registering or depositing to activate a casino promotion. |
Bonus Funds | Promotional money credited to a player’s account. Bonus funds usually have wagering requirements and may not be withdrawn immediately. |
Bonus Round | A special feature within a casino game that may award free spins, multipliers, pick-and-win prizes or other rewards. |
Bust | A blackjack term describing a hand with a value higher than 21. A player who busts automatically loses the hand. |
Buy-In | The amount required to enter a poker game, casino tournament or other paid competition. |
C | |
Cage | The cashier area of a casino where chips are exchanged for cash. |
Cashback | A casino promotion that returns a percentage of qualifying losses or wagers to the player. Cashback may be issued as cash or bonus funds. |
Cash Out | The process of withdrawing funds from a casino account. In some games, cashing out can also mean collecting a bet before an event or game has finished. |
Casino Hold | The percentage of money wagered that a casino retains over time. It is related to, but not always identical to, the house edge. |
Chip | A token used to represent money at casino tables. Online table games use digital chips. |
Coin Value | The monetary value assigned to each coin or credit in a slot game. |
Comp | Short for “complimentary.” Free perks (meals, rooms, show tickets) casinos give players based on their tracked action. |
Cold Game | An informal term for a game that has not recently produced many wins. Each result in a properly functioning random game remains independent, so a “cold” game is not necessarily due to pay out soon. |
Cold Streak | A run of consecutive losses. |
Craps | A dice game in which players wager on the outcome of one or more rolls. |
Credit | A unit representing a particular monetary value in a casino game. |
Crypto Casino | An online casino that accepts cryptocurrencies such as Bitcoin, Ethereum, Litecoin or Tether for deposits and withdrawals. Some crypto casinos also offer blockchain-based games. Players should check licensing, transaction fees, processing times and local gambling laws before playing. |
D | |
Dealer | The person or digital system responsible for dealing cards, managing bets and controlling the progress of a table game. |
Deposit | Money transferred into an online casino account. |
Deposit Limit | A responsible gambling control that restricts how much a player can deposit during a chosen period. |
Double Down | A blackjack option that allows a player to double the original wager in exchange for receiving only one additional card. |
Draw | To take another card in games such as poker. A draw can also refer to a tied result. |
Drop | The total amount of cash exchanged for chips at a table, tracked for accounting purposes. |
E | |
Even-Money Bet | A wager that generally pays 1:1. In roulette, examples include red or black, odd or even, and high or low. |
Expanding Wild | A wild symbol that expands to cover additional positions, typically an entire slot reel. |
eWallet | A digital payment service that allows players to deposit and withdraw money without entering bank or card details directly at the casino. Popular options may include PayPal, Skrill and Neteller, although availability depends on the casino and the player’s location. Fees, processing times and bonus eligibility can vary. |
F | |
Face Card | A king, queen, or jack. |
Fixed Jackpot | A jackpot with a predetermined value that does not increase as players wager. |
Flat Betting | A betting approach in which the same amount is wagered on every round, regardless of previous wins or losses. |
Fold | In poker, to forfeit a hand rather than continue betting. |
Free Spins | A set of slot spins awarded without requiring a separate cash wager for each spin. Free spins may come from a promotion or an in-game feature and can be subject to terms. |
Full House | A poker hand containing three cards of one rank and two cards of another rank. |
G | |
Gamble Feature | An optional slot feature that allows players to risk a recent win for the chance to increase it. Using the feature can also result in losing that win. |
Game Provider | A company that develops and supplies casino games to operators. Providers may create slots, table games, live dealer games or specialist titles. |
Gross Gaming Revenue | The total amount wagered by players minus the winnings paid back to them, before certain operating expenses are deducted. |
Grinding | Playing conservatively over long sessions to slowly build winnings rather than chasing big payouts. |
Gutshot | In poker, a draw that needs one specific card in the middle of a sequence to complete a straight. |
H | |
Hand | The cards dealt to a player or dealer during a card game. |
Hard Hand | A blackjack hand without an Ace counted as 11. For example, a ten and a six form a hard 16. |
High Roller | A player who wagers large sums of money. |
Hit | A blackjack instruction requesting another card from the dealer. |
Hold | Keeping selected cards in games such as video poker. In slots, “hold” can refer to symbols remaining in place during a feature. |
Hold and Win | A slot feature in which special symbols remain locked while the remaining positions respin. Additional qualifying symbols may reset the number of respins. |
Hot Game | An informal term for a casino game that appears to have produced several recent wins. Past results do not guarantee that the next round will win. |
Hot Streak | A run of consecutive wins. |
House | The casino itself, as the entity taking bets. |
House Edge | The casino’s mathematical advantage over the player, expressed as a percentage. A 2% house edge means the casino expects to retain an average of $2 for every $100 wagered over a very large number of rounds. Short-term results can vary considerably |
I | |
Inside Bet | A roulette wager placed on specific numbers or small groups of numbers within the main numbered area of the table. These bets typically offer larger payouts but lower chances of winning than outside bets. |
Insurance | A blackjack side bet available when the dealer’s visible card is an Ace. It pays if the dealer has blackjack but carries its own house edge. |
In the Money (ITM) | In poker tournaments, reaching a finishing position that guarantees a payout. |
J | |
Jackpot | A large casino prize. Jackpots may be fixed, local or progressive. |
Joker | A special playing card that may act as a wild card in selected poker and casino games. |
K | |
Keno | A number-drawing casino game in which players select numbers and receive prizes according to how many selections match the numbers drawn. |
Kicker | In poker, a card that doesn’t form part of a player’s main hand combination but can break ties. |
Krupier | International term (Polish/Slavic origin) for “dealer,” occasionally seen in European casino contexts. |
L | |
Layout | The printed betting surface on a table game, showing where different bets are placed (common in craps and roulette). |
Limit | The minimum or maximum bet allowed at a table or game. |
Line Bet | In craps or roulette, a bet covering multiple numbers or outcomes at once. |
Live Casino | An online casino section where games are hosted by real dealers and streamed from a studio or casino floor. |
Live Dealer | A trained presenter who runs a casino game in real time through a video stream. |
Loss Limit | A responsible gambling setting that restricts how much a player can lose during a specified period. |
Loyalty Program | A rewards scheme that gives players points or benefits based on qualifying activity. Rewards can include bonus funds, free spins, cashback or promotional access. |
Low Roller | A player who wagers small, conservative amounts. |
M | |
Marker | A short-term line of credit extended to a player by a casino. |
Martingale System | A betting strategy where a player doubles their bet after every loss, aiming to recover losses with a single win. Carries significant bankroll risk. |
Max Bet | The highest wager allowed on a particular game or betting round. |
Megaways | A slot mechanic that can change the number of symbols appearing on each reel, creating a variable number of possible ways to win. |
Minimum Deposit | The smallest amount of money a casino allows a player to add to their account using a particular payment method. |
Multiplier | A game feature that multiplies a win by a stated amount. For example, a 3x multiplier triples the relevant prize. |
N | |
Natural Blackjack | A two-card blackjack hand consisting of an Ace and a ten-value card. It normally beats other hands totalling 21, although payout rules vary. |
No-Deposit Bonus | A promotional offer that can be claimed without making a deposit. It may include free spins or bonus funds and is usually subject to wagering and withdrawal conditions. |
Non-Sticky Bonus | A type of casino bonus in which bonus funds may be removed if a player requests a withdrawal before using them. Exact conditions differ between casinos. |
No Limit | A poker betting structure allowing players to bet any amount, up to their entire stack, at any time. |
O | |
Odds | The likelihood of an outcome, expressed as a ratio or fraction, used to calculate potential payouts. |
Odds Bet | A supplementary bet in craps placed after a point is established, paid at true odds with no house edge. |
On Tilt | A poker/gambling term describing a player making emotionally driven, often reckless decisions after a loss. |
Outside Bet | A roulette wager covering a large group of numbers, such as red or black, odd or even, or 1–18 and 19–36. |
Over/Under | A sports betting wager on whether a statistic (usually total points) will be above or below a set number. |
P | |
Payline | A pattern across a slot’s reels on which matching symbols may create a winning combination. |
Paytable | The section of a casino game that lists symbol values, winning combinations, features and relevant rules. |
Payout | The amount returned after a successful wager. This may include both the original stake and the winnings, depending on how the figure is presented. |
Perfect Pairs | A blackjack side bet based on whether the player’s first two cards form a pair. Different pair types may receive different payouts. |
Poker | A family of card games in which players compete using card combinations, betting decisions or both. |
Pot | The total amount of chips or money being contested during a poker hand. |
Progressive Jackpot | A jackpot that grows as qualifying bets are placed. It continues increasing until a player triggers the winning combination or event. |
Push | A tied result between the player and dealer. In most games, the original wager is returned. |
Q | |
Quads | Poker slang for four of a kind. |
Qualifying Hand | The minimum hand required for a dealer or bonus bet to “qualify” and pay out, common in games like Ultimate Texas Hold’em. |
R | |
Random Number Generator | An RNG is a system used to produce unpredictable game results in digital casino games. Reputable licensed casinos generally use independently tested RNG software. |
Rake | The fee a poker room takes from each pot as revenue. |
Reels | The vertical columns of symbols in a slot game. |
Respin | An additional spin that may be awarded as part of a slot feature. Certain symbols can remain locked while other reels or positions spin again. |
Return to Player | RTP is the theoretical percentage of all wagered money that a game is designed to return to players over an extended period. For example, a slot with 96% RTP theoretically returns $96 for every $100 wagered across a very large number of spins—not necessarily to one player or during one session. |
Roulette | A casino game in which players bet on where a ball will land on a spinning numbered wheel. |
S | |
Scatter | A slot symbol that can award prizes or activate features without necessarily landing on a standard payline. |
Self-Exclusion | A responsible gambling measure that allows a person to block access to gambling services for a chosen period or permanently, depending on local rules and the operator’s tools. |
Session | A single, continuous period of play. |
Session Limit | A control that limits how long a player can remain logged in or actively gamble during a session. |
Side Bet | An additional wager made alongside the main bet. Examples include Perfect Pairs in blackjack and certain bonus bets in baccarat. |
Soft Hand | A blackjack hand containing an Ace counted as 11 without the total exceeding 21. An Ace and a six form a soft 17. |
Split | A blackjack action used when the first two cards have the same value. The cards are divided into two hands, and an additional wager is placed. |
Stacked Symbols | Identical slot symbols positioned directly above or below one another on the same reel. |
Stake | The amount wagered on a particular outcome. |
Stand | A blackjack decision to keep the current hand and receive no more cards. |
Streak | A consecutive run of wins or losses. |
Sticky Bonus | A casino bonus that usually cannot be withdrawn and may remain attached to the player’s balance until its conditions have been completed or the balance is lost. |
Sticky Wild | A wild symbol that remains fixed in position during one or more additional spins. |
Straight | A poker hand containing five cards in sequential rank, regardless of suit. |
Surrender | A blackjack option that allows a player to give up the hand and recover part of the original bet. Availability and rules vary by game. |
Symbol | Any icon displayed on a slot machine’s reels (fruits, numbers, wilds, scatters, etc.). |
T | |
Table Limit | The minimum and maximum bets accepted at a casino table. |
Three of a Kind | A poker hand containing three cards of the same rank. |
Tie Bet | A wager predicting that two hands will finish with equal values. It is commonly available in baccarat. |
Tournament | A casino competition in which participants try to achieve the highest score, chip total or other qualifying result during a fixed period. |
True Odds | The actual statistical probability of an outcome, without any house edge factored in. |
Turnover | The total amount wagered over a period. Turnover is not the same as deposits or losses because the same funds can be wagered multiple times. |
U | |
Under the Gun | In poker, the player required to act first in a betting round, typically seated directly left of the blinds. |
Upcard | In blackjack, the dealer’s card that is dealt face-up. |
V | |
Variance | A statistical measure describing how widely a game’s results may differ from its expected average. In casino discussions, variance is often used similarly to volatility. |
Video Poker | A digital card game in which players hold or discard cards to create a qualifying poker hand according to a displayed paytable. |
Volatility | A description of a casino game’s general risk and payout pattern: Low-volatility games tend to award smaller wins more frequently. Medium-volatility games offer a balance between win frequency and prize size. High-volatility games may produce less frequent wins, but some prizes can be larger. Volatility does not predict the result of the next round. |
W | |
Wager | Another term for a bet. |
Wagering Requirement | The number of times bonus funds, a deposit or both must be wagered before related winnings can be withdrawn. For example, a $100 bonus with a 30x bonus wagering requirement requires $3,000 in qualifying wagers. Game contributions, maximum bets and excluded games may affect the calculation. |
Ways to Win | A slot format that awards wins when matching symbols appear on adjacent reels, often without requiring a fixed payline. |
Welcome Bonus | A promotion offered to newly registered players, usually on their first deposit or first several deposits. |
Wheel | The spinning device used in roulette, or a standalone bonus wheel feature on some slots. |
Whale | Casino industry slang for an extremely high-stakes player. |
Wild Symbol | A slot symbol that can substitute for selected regular symbols to help complete winning combinations. Wilds usually cannot replace scatters or bonus symbols unless the game rules say otherwise. |
Withdrawal | The process of transferring eligible funds from a casino account to a supported payment method. |
Withdrawal Limit | The maximum amount a player may withdraw within a particular day, week or month. |
Why Casino Terminology Matters
Understanding common casino words makes it easier to compare games, read bonus terms and identify the true conditions attached to an offer. Before playing, check the game rules, RTP, volatility, betting limits and bonus requirements.
Casino games are based on chance, and no strategy can guarantee a profit. Set a budget, avoid chasing losses and only play with money you can afford to lose.
Frequently Asked Questions
What are the most important casino terms for beginners?
Some of the most useful terms to understand are RTP, house edge, volatility, bankroll, payline, wagering requirement, wild, scatter and progressive jackpot.
What does RTP mean in a casino?
RTP means Return to Player. It is the theoretical percentage of wagered money that a game is expected to return over a very large number of rounds. It does not guarantee how much an individual player will win or lose.
What is the house edge?
The house edge is the casino’s statistical advantage. A lower house edge generally means a greater theoretical return to the player over the long term, although short-term outcomes remain unpredictable.
What does 30x wagering mean?
A 30x wagering requirement means the relevant amount must be wagered 30 times. If it applies to a $100 bonus, the wagering target would be $3,000. If it applies to both a $100 deposit and a $100 bonus, the target would be $6,000.
Are high-volatility casino games better?
Not necessarily. High-volatility games may offer larger potential prizes but generally produce less frequent wins. The right choice depends on a player’s budget, risk tolerance and preferred playing style.
Can casino terms vary between different websites?
Yes. Casinos and game providers may define bonus balances, jackpots, wagering requirements and game features differently. Always read the specific casino’s promotional terms and the game’s official paytable.