Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
louis d'or(ˌluːɪ ˈdɔː; French lwi dɔr)
n, pl louis d'or (ˌluːɪz ˈdɔː; French lwi dɔr)Often shortened to: louis
1. (Currencies) a former French gold coin worth 20 francs
2. (Currencies) an old French coin minted in the reign of Louis XIII
[C17: from French: golden louis, named after Louis XIII]
lou•is d'or(ˌlu i ˈdɔr)
n., pl. lou•is d'or (ˌlu iz, ˌlu i)
a former gold coin of France, issued from 1640 to 1795.
[1680–90; < French: literally, louis of gold; after Louis XIII]