Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun calling_card

3 senses of calling card

Sense 1
calling card, phone card -- (a card that is used instead of cash to make telephone calls)
       => credit card, charge card, charge plate, plastic -- (a card (usually plastic) that assures a seller that the person using it has a satisfactory credit rating and that the issuer will see to it that the seller receives payment for the merchandise delivered; "do you take plastic?")

Sense 2
calling card, visiting card, card -- (a printed or written greeting that is left to indicate that you have visited)
       => greeting, salutation -- ((usually plural) an acknowledgment or expression of good will (especially on meeting))

Sense 3
calling card -- (a distinguishing characteristic or behavior; "bombs are a terrorist's calling cards")
       => peculiarity, distinctive feature, distinguishing characteristic -- (an odd or unusual characteristic)