Source : Webster's Revised Unabridged Dictionary (1913)

Coinage \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.

Source : WordNet®

coinage
     n 1: coins collectively [syn: {mintage}, {specie}, {metal money}]
     2: a newly invented word or phrase [syn: {neologism}, {neology}]
     3: the act of inventing a word or phrase [syn: {neologism}, {neology}]