ˈ ̷ ̷ˌ ̷ ̷ ̷ ̷ noun
Etymology: card (III) + holder
1. : one whose membership in a union or political party is attested by a membership card
2. : a person who has a card issued by a library entitling him to borrow books
3. : one of two metal ears in front of the line scale on a typewriter that when raised to a vertical position help to hold cards or envelopes in place during typing