Slots Terminology

Casino Terminology

The world of online slots is full of confusing terms and jargon that can be off putting for new and even experienced players. Here at Slot Boss we’ve come up with a comprehensive guide to slot terms to help you gain a better understanding of the slots world. This glossary is arranged alphabetically but if you’re looking for a certain term you should use Ctrl+F to find the word and save your time.

Term Description
3-Reel An online slot that has three reels as well as three rows of symbols.
5-Reels An online slot that has five reels as well as three or four rows of symbols.
All Ways A slot that has hundreds of possible win lines where you can win from left to right and right to left.
Bet Maximum The bet maximum means the highest amount that can be wagered on a spin. There is sometimes a button that will allow you to instantly set the bet maximum.
Bet Minimum The bet minimum is the lowest amount that can be staked on a single roll or spin.
Bonus Feature A special feature in a slot where you can win a variety of different prizes including free spins and instant wins.
Branded Slots An online themed slot that is typically based around famous films or TV shows with added features.
Cascading Reels Cascading reels are a feature in slots where winning combos disappear and are replaced by more symbols. This creates further opportunities for winning and can also be known as tumbling reels or rolling reels. If you would like an example Gonzo’s Quest is a cascading reel slot.
Classic If a slot is called classic it usually means it's based on old style or original slot machines. These often have fruit and BAR symbols as well as no bonus features.
Collect This is normally a button which will allow a player to collect their winnings or convert their credit/coins into cash.
Expanding Wilds A special type of Wild which will expand to cover an entire reel; giving a further chance for a win.
Feature A feature in slots usually means a type of bonus where you can win free spins or instant prizes.
Free Play Slots that can be played for free with no real money involved. These are good as they allow players to try a slot before dedicating real money.
Free Spins A common bonus in slot machines where you will be awarded spins that you don’t have to stake money on.
Fruit Machine A nickname used in Britain for slot machines. This came about from the original slot machines using fruit symbols.
Gamble A feature on some machines that lets you gamble to try and double your winnings. This is often by picking the colour of the next card.
Hit Frequency How often a game will pay out on average.
Jackpot Slots If a slot is called a jackpot slot this means it will have a huge progressive jackpot which players can win.
Line Bet The amount of lines activated on multiple payline slots. These can vary from as little as one line.
Mobile Slots Slot games that are optimised for mobile and tablet devices.
Megaways A type of slot that can have tens of thousands of paylines active each spin. This is achieved via a high amount of reels with varying symbol sizes.
Multi Way Slots that have hundreds or even thousands of ways to win.
Nudge Slot A slot that can nudge a reel up or down to help create winning combinations.
Payline The lines at which winning combinations on the reels must land to award a payout.
Payout The payout is the amount awarded for a specific winning combination of symbols on the slot machine.
Paytable The paytable shows players the values of each symbol and the payline formats.
Reels The reels are discs within the slot machine window that spin. Matching the correct symbols means a payout.
Random Number Generator Also known as RNG this is a computer programme which randomly selects slot machine outcomes from all possible sequences. This can create millions of numbers a second and when a game is played it will stop on a number.
Spin The spin button will set the reels into motion at your desired slot stake.
Symbols Symbols are different images or pictures on slot reels. These can be a huge variety of things such as fruit, gold coins, characters and many more.
Wild Wild symbols will substitute for winning symbols if they land in place. These can often award big wins by completing high paying symbol paylines.
Win Both Ways Slot machines that pay from left to right as well as right to left.

Slots at Slot Boss

Now that you know every key slots term going you might want to play. Here at Slot Boss we have over 300 online slots to choose from so hopefully you find something you like. If you play online casino games with us, please make sure you gamble responsibly. 18+, begambleaware.org.

£10 Free: New players only. 99x wagering requirement. £5 max stake with bonus. Max withdrawal of £50 for non-funded accounts. 30 day expiry. Not all games contribute 100% towards wagering requirements. 18+, begambleaware.org T&Cs apply.