A membership card is a small card that shows you are part of a group or organization. It often gives you certain benefits or privileges within that group. Full definition
Show your valid Membership card at any one of these museums to receive a discount on admission. (osv.org)
If you have a roadside assistance membership, make sure it's up - to - date, and that you have the phone number and membership card with you. (moneysense.ca)
Please show your Executive Club membership card on check - in to qualify. (britishairways.com)