A narrow opening, hole, groove, or slit in something. It is used to fit in with something else, as in He dropped the coin in the slot and dialed. It can also mean the place in a schedule or program where an activity will take place. Visitors can book a time slot a week or more in advance. Also called aperture, slit, or pocket.

A small amount paid to keep a player seated and betting for several pulls of the lever, often enough that the player will receive a minimum pay-out before leaving without winning anything. This is a remnant of electromechanical slot machines’ “tilt switches” which would break or make a circuit depending on whether the machine was tilted or otherwise tampered with. Modern slot machines have sensors to detect abuse and tampering and will shut down, usually voiding any credits remaining on the machine.

The name of a slot game can help it attract players and spark interest in a casino’s website or mobile app. A good meta title and description can boost click-through rates, especially if they are clear and exciting. In addition, a detailed game description can highlight features such as RTP and jackpots. Some online casinos even include the game designers’ target payback percentages, although these can differ slightly between real-life and virtual gambling environments. This information is helpful for players to make informed decisions about which games to play and how much to bet.