billfold
Word family adjectivebillednounbillingbillboardbillbookbillfoldbillheadbillposterbillfishbillhookbillbillman
Clothes & fashion
bill·fold /ˈbɪlfəʊld $ -foʊld/ noun [countableC] 
American EnglishAmEDCMONEY a small flat leather case, used for carrying paper money, credit cards etc in your pocket 〔装钞票、信用卡等的〕钱包，皮夹子 SYN walletExamples from the Corpus
billfold• He checked the contents of his billfold and prayed over his gas gauge, that it stay above Empty round-trip.
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