Real Dictionary

debit card
countable noun: A debit card is a bank card that you can use to pay for things. When you use it the money is taken out of your bank account immediately.

debit card in American English
a kind of bank card that allows the cost of purchases to be automatically debited, or deducted, from the cardholder's bank account
noun: a plastic card through which payments for purchases or services are made electronically to the bank accounts of retail establishments directly from those of card holders

debit card in British English
noun: an embossed plastic card issued by a bank or building society to enable its customers to pay for goods or services by inserting it into a computer-controlled device at the place of sale, which is connected through the telephone network to the bank or buil