Plain-English Reference

Casino Glossary: Common Terms Explained

Use the glossary as a quick reference when a game guide, paytable or payment explanation uses unfamiliar language. Definitions are intentionally short and link to deeper guides where available; product terms and current account conditions should still be checked at their official source.

Information reviewed 2026-08-01 · Adults 18+

01

How to use this reference

Scan alphabetically for a short definition, then open the linked guide when a term affects rules, cost, verification or safer play. A glossary definition does not replace a game's paytable or an account's current terms.

Terms A–Z

B

Banker bet
A baccarat wager on the hand labelled Banker. The label is part of the game and does not mean the casino itself. Read the guide.
Basic strategy
A blackjack decision table derived from a stated set of rules, the player's hand and the dealer's visible card. Read the guide.

H

House edge
The theoretical average percentage of each wager retained by the game over the long run under the stated rules. Read the guide.

K

KYC
Know Your Customer checks used to verify identity or account information under the service's current requirements. Read the guide.

P

Payline
A defined pattern across slot reels on which matching symbols may form a winning combination under the paytable. Read the guide.
Paytable
The game rules display that lists symbol values, winning combinations, feature conditions and relevant payout information. Read the guide.

R

RNG
A random number generator used to produce game outcomes according to the system and rules being tested or described. Read the guide.
RTP
Return to Player, a theoretical long-run percentage returned across many plays under the stated game rules. Read the guide.

S

Self-exclusion
A formal request or tool intended to block gambling access for a selected period or according to an operator's process. Read the guide.

V

Variance
A statistical description of how widely results may be spread around an average rather than a forecast of the next result. Read the guide.
Volatility
A practical description of how a game's prize frequency and size may be distributed, especially in slot discussions. Read the guide.

W

Wagering requirement
A promotion condition describing how much qualifying play may be required before associated funds can be withdrawn. Read the guide.
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