Operated, or activated, by placing coins in a slot.

A small container, used by gamblers etc, to dispense a fixed number of coins on demand / Any of many manual or automatic devices used to dispense coins as change etc

Operated by coins.

A coin-operated device, such as an arcade game or penny arcade.

plural of coin-op

A coin made from a core of less valuable metal surrounded by outer layers of more valuable metal.

(Britain) Any of the specially minted coins given out by the reigning monarch on Maundy Thursday. Face values are 1, 2, 3, and 4 pence.

(idiomatic) Left to pure chance; based on a flippant metric.

Used other than figuratively or idiomatically: see gold, coin. / (Australia, New Zealand, informal) A one-dollar or two-dollar coin.

plural of gold coin