A narrow notch, groove, or opening, as a keyway in a piece of machinery or a slit for a coin in a vending machine. Also, the name of a position in football (American) or basketball (international).

The term slot refers to a specific receiver position, usually slightly off the line of scrimmage. This allows the player to gain more depth of field and makes it easier for them to get open against coverage. In addition, the slot has a good understanding of routes and can make quick decisions when it comes to running patterns.

In a video slot machine, the player inserts cash or, in “ticket-in, ticket-out” machines, a paper ticket with a barcode, into a designated slot to activate the reels. The reels stop spinning and if the player matches a winning combination, they earn credits according to the payout schedule displayed on the machine. Depending on the machine, symbols can include traditional items such as fruit and bells or more stylized lucky sevens. Most slot games have a theme, and the symbols and bonus features align with that theme.

Air Traffic Management slots give airlines the right to operate at certain times, and reduce delays and fuel burn by avoiding congestion. The system was first implemented in Europe over twenty years ago, and has made significant savings in both delay and cost. As demand for air travel grows, central flow management is increasingly being used worldwide. It is predicted that it could be a game-changer in terms of reducing flight delays and the environmental impact of air travel.