DICT.TW Dictionary Taiwan

 sei·gnior·age /ˈsenjərɪʤ/
 君主的特權,貨幣鑄造稅,特許捐

 Seign·ior·age n.
 1. Something claimed or taken by virtue of sovereign prerogative; specifically, a charge or toll deducted from bullion brought to a mint to be coined; the difference between the cost of a mass of bullion and the value as money of the pieces coined from it.
    If government, however, throws the expense of coinage, as is reasonable, upon the holders, by making a charge to cover the expense (which is done by giving back rather less in coin than has been received in bullion, and is called =\“levying a seigniorage”), the coin will rise to the extent of the seigniorage above the value of the bullion.\=   --J. S. Mill.
 2. A share of the receipts of a business taken in payment for the use of a right, as a copyright or a patent.
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 seigniorage
      n : charged by a government for coining bullion