card swipe 
noun
An electronic reader through which a credit or charge card or cheque guarantee card is passed in order to record the information it bears: [as modifier]: a card swipe system...
- In addition, CalTech informed me that the card swipe data had been lost late on September 15, 2003, through September 17, 2003.
- It will act as a debit card in your Palm with a secure IR connection which will replace a card swipe.
- Someone installed a bank card swipe device on the outer door of a Bank of Montreal machine at the Blundell Shopping Centre, 8120 No. 2 Rd. at 10 p.m.