franc
noun [ C ] uk/fræŋk/ us/fræŋk/ (written abbreviation fr)
法郎（欧元流通前法国、比利时和卢森堡的标准货币单位，也为非洲许多前法国殖民地国家使用）
the standard unit of money used in France, Belgium, and Luxembourg before the introduction of the euro, and also used in Switzerland and in many African countries