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.
fiat money. Definition. Money which has no intrinsic value and cannot be redeemed for specie or any commodity, but is made legal tender through government decree. All modern paper currencies are fiat money, as are most modern coins. The value of fiat money depends on the strength of the issuing country's economy.