A narrow, elongated depression, groove, or notch, especially one for receiving or admitting something, such as a coin or letter. Also:

The slot in a ship or aircraft, the position of a player on a team, or the place in a linguistic structure into which a morpheme or morpheme sequence fits. Compare rim (def 4).

A thin opening for passing through or inserting something, as a piece of mail. Also:

An elongated depression, groove, or notches in something, particularly a machine, that receives coins or paper for gambling. Also:

In a casino game, the space on a reel that a symbol may appear in. The higher the probability of hitting a high-paying symbol, the more likely it is that a slot will be filled, increasing the player’s chances of winning.

In the context of online slots, a slot’s volatility is an important factor to consider. If the volatility is high, the slot will pay out smaller wins more often, but it could empty your bankroll quickly. Conversely, a low-volatility slot will not pay out as often, but will be safer to play. To maximize your chances of winning, try to play a slot with a medium volatility. If you want to win more frequently, look for a slot with a jackpot that will be awarded at or before some specified level. However, you should keep in mind that other vultures will know about these jackpots and will be playing them at the same time, so your odds of hitting them won’t be as good as they could be.