1. A monetary unit that was used in France and several other countries before the adoption of the euro.
Usage: historical; often capitalized when referring to the French franc specifically
2. The basic monetary unit of Switzerland and several African countries.
Usage: current use in Switzerland and some former French colonies

Examples

• Before 2002, the French franc was the official currency of France.
• She exchanged her dollars for Swiss francs at the airport.
• The price was listed in francs before the country switched to the euro.
• The Burundian franc is the currency used in Burundi.
• My grandmother kept some old francs from her travels in Europe.
• The Swiss franc is known for being a stable currency.