Coin"age (?), n. [From Coin, v. t., cf. Cuinage.] 1. The act or process of converting metal into money.

The care of the coinage was committed to the inferior magistrates.
Arbuthnot.

2. Coins; the aggregate coin of a time or place.

3. The cost or expense of coining money.

4. The act or process of fabricating or inventing; formation; fabrication; that which is fabricated or forged. "Unnecessary coinage . . . of words." Dryden.

This is the very coinage of your brain.
Shak.

• related to coins(?) (Uncountable)
  
• a coined word. (Countable)