A narrow notch, groove, or opening, such as one for a keyway in a piece of machinery or a slit for a coin in a vending machine. Also: a position in a group, series, or sequence. (Collins Dictionary)
The slot is the area of the game screen where winning combinations are made. Understanding the mechanics of a slot is critical to making smart betting decisions. To do so, you must first read the game’s paytable and understand its payout structure. The paytable will also provide information about the game’s volatility, which is a measure of how often it pays out big prizes. You can determine the volatility of a slot by looking at the gaps between its jackpots for different symbols. The bigger the gap, the more volatile the slot is.