A narrow depression, groove, notch, or opening, especially one for receiving something, such as a keyway in machinery or a slit for coins in a vending machine. Also, a position in a group, series, or sequence. The program received a new time slot on the broadcasting schedule.

The slot in a computer is a hardware component that contains the processor. It stores and retrieves data, and controls the device’s other components. The slot can also contain a hard disk drive or other peripherals.

In a casino, a slot machine is a type of gambling machine that pays out winning combinations of symbols when the reels stop spinning. Each slot has its own paylines and rules, as well as bonus features that add to the fun. Some slots are linked to a progressive jackpot, increasing the prize amounts over time. Others have Wild symbols that substitute for other symbols and open extra levels or special game features.

In the context of airport coordination, a slot is an authorization to take off or land at a specific runway during a certain time period. Slots help manage air traffic at busy airports and prevent repeated delays caused by too many flights trying to take off or land at the same time.