affinity card

noun

1. a credit card issued in conjunction with an organization, as a university or sports club.

affinity card

noun

1. a credit card issued by a bank or credit-card company, which donates a small percentage of the money spent using the card to a specified charity
2. a card entitling members of an affinity group (e.g. club, college) to a discount when used for purchases

Word History and Origins

Origin of affinity card¹

First recorded in 1985–90