|Origin:||Probably from an unrecorded Anglo-French walet 'traveler's bag'|
a small flat case, often made of leather, that you carry in your pocket, for holding paper money, bank cards etc [= billfold AmE; ↪ purse]
in your wallet
I've only got about £10 in my wallet.
He took a credit card out of his wallet.
2B British English
a case for documents, often made of leather or plastic