| COI | in the shape of a coil |
|---|---|
| COI | a metal piece (usually a disc) used as money |
| COI | form by stamping, punching, or printing |
| COI | of phrases or words |
| COI | a container (usually with a slot in the top) for keeping money at home |
| COI | a flat metal disk ready for stamping as a coin |
| COI | the part of a slot machine that serves as a receptacle for the coins |
| COI | the collection and study of money (and coins in particular) |
| COI | the collection and study of money (and coins in particular) |
| COI | a collection of coins |
| COI | a collector and student of money (and coins in particular) |
| COI | a machine that is operated by the insertion of a coin in a slot |