Wiktionary (0.00 / 0 votes) Rate this definition: fodder (Noun). Food for animals. fodder (Noun). A weight by which lead and some other metals were formerly sold, in England, varying from 19 1/2 to 24 cwt (993 to 1222 kg).; a fodder. fodder (Noun). Tracing paper. fodder (Verb). To feed animals (with fodder).
(Redirected from Credit card number) A payment card number, or simply a card number, is the card identifier found on payment cards, such as credit cards and debit cards, as well as stored-value cards, gift cards and other similar cards. In some situations the card number is referred to as a bank card number.
I'm not sure if you're asking what the card number is on a Visa debit card, or if it is different than a Visa credit card... so I will try to answer both. A Visa card # is a 16-digit number, that uses a specific format. In order to be a valid number, the 16 digits have to work within the Mod 10 algorithm.