A slot machine (American English), fruit machine (British English), or poker machine (Australian English) is a certain type of casino game. Traditional slot machines are coin-operated machines with three or more reels, which spin when a lever on the side of the machine is pulled
A fruit machine is a machine used for gambling. You put money into it and if a particular combination of symbols, especially fruit, appears, you win money. a machine which you put money into, and which gives you more money back if three of the same pictures appear on a screen = slot machine
a coin-operated gambling machine that produces random combinations of symbols (usually pictures of different fruits) on rotating dials; certain combinations win money for the player