A card holder is an item used to store cards, such as credit cards, debit cards, gift cards, or business cards. The two crossword solutions for the term 'card holder' are 'mailbox' and 'SHOE'. A mailbox is a receptacle for receiving mail that is delivered by a postal service. It is typically made of metal or plastic and is mounted on a post near the entrance of a residence. A SHOE is an item of footwear intended to protect and comfort the human foot while doing various activities. Shoes are also used as an item of decoration and fashion.