Definition of louis d'or
1 : a French gold coin first struck in 1640 and issued up to the French Revolution (1789)
2 : the French 20-franc gold piece issued after the French Revolution
Origin and Etymology of louis d'or
French, from Louis XIII of France + d'or of gold
First Known Use: 1665See Words from the same year
Seen and Heard
What made you want to look up louis d'or? Please tell us where you read or heard it (including the quote, if possible).