A slit or other narrow opening, especially one in a door, wall, etc., for receiving something, as a coin or a letter. In the US, a slot can also refer to a position on an ice hockey team or in a racetrack. The term is also used in computer programming to refer to an assignment or position on a grid. See also slit, hole, and slotting.

A device in which coins or paper tickets with barcodes can be inserted for play. A slot machine can be mechanical or electronic. Some slots have multiple paylines and bonus features that can be triggered when certain symbols land on the reels. Others have no reels at all, with the winning combinations determined by a random number generator.

The amount of money won on a slot machine is dependent on the payout percentage and the amount of money played through the machine. Some people become addicted to playing slots, and myths about how they work can exacerbate the problem. It is believed that the majority of people seeking treatment for gambling disorder report that slots are their primary addiction.

A table that shows the regular paying symbols and their payouts in a specific slot game. Many online and video slots have on-screen pay tables that can be scrolled through to see the possible combinations and payouts for each spin. These tables can also explain how to trigger any bonus features in the slot.