The "slot machine" term derives from the slots on the machine for inserting and retrieving coins. "Fruit machine" comes from the traditional fruit

on the spinning reels such as lemons and cherries.

A casino slot, also known as a slot machine or gaming machine, is a gambling device featuring spinning reels adorned with various symbols. The goal is to line up per determined symbols across the paylines to win prizes, which can range from credits, bonus features and free spins to a progressive taxable jackpot.