English

An 1807 double napoleon.

Alternative forms

• Double Napoleon, double Napoleon

Noun

double napoleon ‎(plural double napoleons)

1. (historical numismatics, slang) A former 40-franc gold coin issued by France.
2. (card games) A form of solitaire.

References

• "double, adj.¹ and adv." in the Oxford English Dictionary (1897), Oxford: Oxford University Press.