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.

Obsolete spelling of Maundy coin

A small battery having the form of a squat cylinder.

To flick a coin into the air, making it spin, in order to use the resultant upturned side (“heads or tails”) for making a decision.

plural of coin purse