slot machine

Noun

slot machine (plural slot machines)

1. (UK, US) A machine so operated to play games of chance for money, especially those with a lever and three or more rollers used to achieve combinations.
   • As an illustration of a general technique for calculating odds, suppose you are playing a 25-cent slot machine.2005, Benjamin Crowell, The Modern Revolution in Physics

   Synonyms:

   one-armed bandit, slot, fruit machine, poker machine, pokie, pokie machine

2. Synonym of vending machine.
   • The paperback selling slot-machine was only one resourceful trade invention, […]1998, Eva Hemmungs Wirtén, Global Infatuation: explorations in transnational publishing and texts

   Synonyms:

   vending machine

3. (dated) A gas stove that requires the insertion of a coin to operate.
   • “[…]But I should be much obliged if you would see that the gas people come to-morrow and put my stove in order. It might be done while I am out. That the shilling-in-the-slot machine should go wrong is very unpleasant.[…]”
     […]
     Mr. Sleuth spoke pettishly, with far more heat than he was wont to...1913, Marie Adelaide Belloc Lowndes, The Lodger