A narrow notch, groove, or opening, as in a keyway in machinery or a slit for a coin in a vending machine. Also: A position in a series, sequence, etc.: He got the slot as a sports writer.
A slot in a casino game is a place where the player places a bet. Some slots allow players to choose how many paylines they wish to activate while others are fixed, with all paylines active for every spin. Slots are popular online because they offer high RTPs (Return-to-Player percentages) and can be played on mobile devices.
Symbols on a slot machine vary, but classic symbols include stylized lucky sevens and fruits. Most slot games have a theme, and bonus features and payouts are aligned with this theme. Some machines also have progressive jackpots, which grow over time until a player hits them.
In aviation, a scheduled time and space for an aircraft to take off or land at an airport, as allocated by the air traffic control authority: We were given a slot at Heathrow, but it was full when we arrived.
A slot is a position in a series, sequence, etc.: The first-place finisher got a slot in the finals. Also: A position in a group, series, or sequence: He got the slot as a sportswriter.