louis

noun3

1. •
   (historical) Any gold or silver coin issued by the French kings from Louis XIII to Louis XVI and bearing their image on the obverse side, particularly the gold louis d'ors, originally a French form of the Spanish doubloon but varying in value between 10 and 24 livres.
2. •
   (historical) The louis d'or constitutionnel, a 24-livre gold coin issued by the First French Republic.
3. •
   (informal, historical) The franc germinal or napoleon, a similar gold coin issued by Napoleon and bearing his image on the obverse, worth 20 francs.

noun1

1. •
   Abbreviation of Louisiana: a state of the United States.