A slit or other narrow opening, especially one for receiving something, such as a coin or a letter. Also: a position in a sequence or series, or an assignment. Also: an opportunity, berth, billet, position, spot, window. (Origin unknown.)

A slot is an area in the wing or tail surface of an airplane that is used in connection with a high-lift or control device. It is typically located just ahead of the flaps or aileron, or immediately below them. A slot can be used to increase lift or decrease drag, depending on its location and design.

In a slot machine, a player inserts cash or, in “ticket-in, ticket-out” machines, a paper ticket with a barcode into a slot to activate the machine. The machine then displays a series of symbols on its reels. When a winning combination is lined up, the machine pays out credits according to its pay table. Symbols vary by machine, but classic symbols include fruits, bells, and stylized lucky sevens.

There are many types of slots available, from simple spinning games to elaborate multi-game cabinets that combine card and dice-based games with interactive elements such as animated cutscenes. The simplicity of slots makes them a good choice for players who don’t want to engage in complex gambling strategy, but they may be a poor choice for gamblers who are looking for the best odds of winning. In addition to traditional slots, there are also progressive and jackpot-type slots and other types of multi-game cabinets that offer increased opportunities to win bonus levels and higher payouts.