A narrow opening or groove for receiving something, such as a coin or letter. Also known as a notch, slit, or aperture. Examples: a coin slot in a door, a mail slot in a wall, and a television channel or station slot.

In computer science, a position into which a program can be fitted, either by direct application of the program to the machine or by inserting it into an existing system. A slot is also the name of the machine within a computer that executes programs, usually to control hardware devices such as printers or video cards.

In gaming, a slot is an area of the screen that displays the symbols for a particular game. There are many different types of slots, from classic “one-armed bandits” to modern video games with multiple pay lines and bonus features. It’s important to understand the rules and features of each type of slot in order to maximize your chances of winning.