A narrow opening or groove, often in a machine or container. Also called aperture, hole, slit, and vent. A slot in a program or schedule is an appointment or position; a visitor can book a time slot a week or more in advance. To slot is to put something into a slot or place it in a position, as in She slotted a filter into the machine. To be assigned or appointed to a slot is to be given an assignment: He was given the job of chief copy editor at the Gazette. In ornithology, the narrow notch in the primaries of certain birds that during flight helps maintain the flow of air over their wings. (Compare wing.)

In a casino, a slot is the space where a coin or paper ticket is placed to activate the machine. It may be on the side of a table, behind a screen or on the front of the machine. Some slots have multiple pay lines, while others only have one. Bonus rounds on slot machines usually involve picking objects to reveal credits.

When writing about a specific slot game, it is important to include information about its theme and symbols. In addition, readers want to know about the game’s graphics and sound. It is also helpful to include the developer’s name and website address. Finally, articles on slot games should be well written and free of errors. Articles that try to lure readers in with misleading titles or false promises of big jackpots will turn them away.