(computing) A space in memory or on disk where a file can be saved. Also, a nook or opening in a surface that can be used to attach something.

A slot may also refer to:

A position, such as that of a chief copy editor or of a wingman in field hockey or ice hockey: the area immediately in front of an opponent’s goal that affords a vantage point for attacking players. The term may also be used to refer to a position in an aircraft that is scheduled to land or take off at a particular time or place, as authorized by the airport or air-traffic controller: 40 more slots for new airlines at U.S. airports. In ornithology, a narrow notches or openings in the tips of the primary feathers of certain birds that help to regulate the flow of air over their wings during flight. Also, a similar narrow opening in the tip of a spear or other weapon. (slang) To engage in a pursuit or attempt to recoup losses: To chase one’s losses in a slot machine, for example, can be costly in both financial and psychological terms. The best way to avoid chasing your losses is to set and stick to a gaming budget before you begin play, and to use only disposable income for your wagers. This way, you will not be tempted to dip into non-gaming funds such as rent or grocery money. Also, remember that every spin is an independent event and a casino cannot alter the probability of a winning spin.