Anything that is generally accepted as a standard of value and a measure of wealth in a particular country or region(noun)
WordNet. Princeton University. 2010.
Use "monetary system" in a sentence
"In 1835 Gregory XVI regulated the monetary system of the Pontifical States, establishing the scudo as the unit, and dividing it into 100 baiocchi, while the baiocco was divided into 5 quattrini (the quattrino, until 1591, had been equal to ¼ of a baiocco)."
"The scudo is equal to 5·3 lire in the monetary system of the Latin Union."