English edit

 
An 1807 double napoleon.

Alternative forms edit

Etymology edit

From its value of twice the 20-franc napoleon.

Noun edit

double napoleon (countable and uncountable, plural double napoleons)

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

References edit