Synonym of Calling card

calling card

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Noun
1. a card that is used instead of cash to make telephone calls
(synonym) phone card
(hypernym) credit card, charge card, charge plate
2. a printed or written greeting that is left to indicate that you have visited
(synonym) visiting card, card
(hypernym) greeting, salutation
3. a distinguishing characteristic or behavior; "bombs are a terrorist's calling cards"
(hypernym) peculiarity, distinctive feature, distinguishing characteristic