Meaning of coinage

coin•age

1. the act, process, or right of making coins.
2. the categories, types, or quantity of coins issued by a nation.
3. coins collectively; currency.
4. the act or process of inventing words; neologizing.
5. an invented or newly created word or phrase: “Ecdysiast” is a coinage of H. L. Mencken.
6. anything made, invented, or fabricated.