A slot is a narrow opening in a machine or container. It may also refer to:

In the US, a slot is an authorization for a plane to take off or land at an airport during a certain time period (often constrained by air traffic management). It is used in places where it would be very costly for airlines to repeat the same takeoff and landing sequence repeatedly if they were not permitted to operate. Using slots has dramatically reduced airport delays, aircraft fuel burn and emissions.

In video slots, symbols are displayed on multiple reels, usually five or more, and the odds of winning are based on the combination of symbols that appear on each spin. In the past, players physically dropped coins into the slot machines to activate them for each spin. However, in the 1990s, bill validators and credit meters were added to allow bettors to play without depositing any cash. Now, virtual slots are available at many online casinos. These often feature a variety of casino bonuses, including welcome and loyalty bonuses, which can significantly increase the player’s bankroll. However, it is important to remember that even though these bonuses can be a great way to increase your chances of winning, there is no such thing as a foolproof winning strategy for slots. Getting greedy or betting more than you can afford to lose are the 2 biggest pitfalls that can turn a fun, relaxing experience into something stressful and frustrating.