Common casino terms explained

casino terms

The online casino industry has taken the world by storm. Dangerous, thrilling and rife with unexpected (and sometimes carefully orchestrated) windfalls, there’s certainly plenty of reasons why both players and savvy business owners are falling over themselves to get onto the online gambling bandwagon. And to become experts, you need the knowledge of the business, such as common casino terms and expressions. To help with this, we have drafted this post with all the common casino terms explained.

Casino terms for casino players and owners

Whether a gambler or casino owner, you can’t expect to see anything rewarding come out of your first steps into the online casino industry unless you learn to make your way around – and fast. The competition is particularly fierce if you’re thinking of starting your own online playground. Dozens of dazzling new sites pop up every month, and each one is even more filled with the latest cutting-edge technology and innumerable features than the last. We’ve put together a glossary with some of the most common casino terms you’ll come across while doing your preliminary research. Of course, there are many others, but these will certainly be enough to get you started:

Common casino terms


A company or an individual that is paid for getting people to join a particular casino.


The amount of money a player has at their disposal.

Betting limits

The maximum and minimum amounts that a bet placed by a player can hold.


Rewards that are given to a player for playing a particular game or completing an action.

Casino tournament

A set of games organized by an online casino, in which a number of players from all over the world can participate. The winner of the tournament wins a huge prize. Many popular tournaments have turned into highly anticipated events and acquired a global following.


Virtual, but rather volatile, money a gamer can use during gameplay (if offered by that particular game). Winnings can be exchanged for making purchases within the game or levelling up. Sometimes, cryptocurrency can be exchanged for real money. Bitcoin is an example of a popular cryptocurrency that currently holds quite a bit of value.

Free spins

These are rewarded to slot players as a welcome bonus, campaign, or during in-game bonus rounds in order to keep them playing for longer.

High roller

An experienced gambler who enjoys playing high-stakes games involving huge amounts of money and dangerous risks.

House edge

The chance a casino always has of making a profit over its players.


The amount of prize money a player can get by winning a game. Jackpots can be fixed or progressive. Fixed jackpots offer a set amount of prize money. A progressive jackpot grows gradually by contributions from a number of both in-house players and those gambling at other casinos.


The probability that an outcome a player has bet on has of occurring.

Payment method

The way a gamer can make deposits at an online casino. Casinos can offer a variety of options such as payments by credit and debit cards, bank transfer, and e-wallets.

Payout percentage/return to player rate (RTP)

The amount a player can expect to get back in relation to the amount put into the game. Recommended games usually offer an RTP of 95% or higher.

Slot/slot machine/fruit machine

A slot is a type of casino game based on the classic fruit machine so popular in brick-and-mortar casinos. Online slots – better known as video slots – have evolved into a replica far removed from the old favourites, with apt game designers able to come up with a plethora of fantastic themes, gorgeous sound and graphics, and add innumerable features. Slots are usually the prevalent type of games in most online casino games library. Their main objective is to line up a number of identical symbols on a payline to win a prize, trigger a bonus or in-game bonus round. Information about the function of each symbol, number of paylines, etc. can be found in the slot paytable.

Software provider

A company that supplies casinos with games. The more software providers a casino has, the greater the variety of games it can offer to its players. Examples of leading software providers include Microgaming and NetEnt.

Wagering requirements

The conditions imposed by a particular game before a player can place a bet.

Welcome bonus

An offer designed to entice new players into an online casino. This may include a deposit on their bankroll, free spins or a combination of the above.

Withdrawal methods

The options available for a player to collect their winnings.

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