A narrow notch, opening, or gap; a groove or channel. A slot is the space in a machine for receiving a coin or paper ticket with a barcode, or a place for a bolt or screw to pass through a workpiece. The holder of an airport landing slot can use it at specific times, for example when traffic is constrained.

To create a slot (narrow aperture or groove), as in cutting or machining. He slotted a piece of wood to shape it for the door frame.

In gaming, a slot is the space in a game for receiving coins or tokens. A slot is also a way to make an bet, or a series of bets, by pushing buttons on a video poker machine. Some slots are themed after popular movies or TV shows, and offer bonus features and jackpots that are related to the theme.

A slot in a schedule allows people to prioritize work and meet deadlines. A slot-based schedule is especially effective for team projects, where everyone needs to know which tasks should be completed first and when. This approach helps teams stay on task and improves communication. It can be used in combination with agile project management methods to ensure that work is completed on time.