French in origin, this term means to preserve which has been a traditional French method of keeping food in storage for longer periods of time.During a time when there was a lack of refrigeration, foods were preserved in jars under layers of fat or syrups as a means to store the contents for future use.rench in origin, this term means to preserve which has been a traditional French method of keeping food in storage for longer periods of time.
Wiktionary(0.00 / 0 votes)Rate this definition: fiat currency(Noun) Money that has indirect market value or is given legal tender status by government fiat.
Currency is a means of measuring the value of any item in a country. For example in India the cost of petrol is Rs. 49/- per litre which means in Indian currency one litre of â¦petrol is worth 49 units. similarly in the US it is Dollar, in Europe it is Euro etc.   Or it could be simply be said as money used as a form of exchange. in lapland you use euros.