- a gambling machine operated by inserting coins into a slot and pulling a handle that activates a set of spinning symbols on wheels, the final alignment of which determines the payoff that is released into a receptacle at the bottom.
- any machine operated by inserting coins into a slot, as a vending machine.
Origin of slot machine
First recorded in 1890–95
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for slot machine
"A frappe with blotting-paper on the side," Mr. Moody snarled from the slot-machine.
"You might see if you can get the slot-machine empty," I said.
It was Sheeley; he would go into the barroom, and discover the wreckage of the slot-machine!A Romance of Billy-Goat Hill
Alice Hegan Rice
How can any one be flattered by the saccharine platitudes which are ground out automatically like chewing-gum from a slot-machine?My Actor-Husband
He sauntered over and dropped a quarter into the slot-machine by the door, but the thing was frozen up and refused to work.
- a machine, esp one for selling small articles or for gambling, activated by placing a coin or metal disc in a slot