What is a Slot?


A position in a group, series or sequence; a place to stay; a role in an organization or hierarchy.

A slot is also a machine in which money can be placed and won; especially one with reels or another device that spins when the trigger is pulled. Slots can be mechanical or electronic. The most common modern slot machine is a video game, although some still have mechanical reels. A slot can have a variety of different themes, paylines and bonus games. Some have multiple screen displays and sound effects.

The method by which a machine determines what symbols to show and when. Each symbol has an equal chance of landing on a particular side of the board, just like rolling a die has a chance of hitting each of the six sides. But when a jackpot is won, the odds are that it was a certain combination of symbols that triggered it – not just any old combination of symbols. This is why the jackpots in casino slots are often so large.

In a casino, the machines are usually grouped together by denomination and style, and are labeled with a color or brand name. They may have a help or info button that walks you through the payouts, play lines and other features. In addition, some have a candle on top that flashes in specific patterns to indicate service needed, entry made into the machine, jackpot and other functions.