billfold billfold /ˈbɪlˌfoʊld/

noun

1. [ N. American] A pocket-size case for holding papers and paper money  ( billfold [ N. American] , notecase , pocketbook , wallet )
   a pocket-size case for holding papers and paper money
    He realized he'd lost his wallet when he reached the checkout counter and couldn't find his money.
   He realized he'd lost his wallet when he reached the checkout counter and couldn't find his money.