noun
: a double-size postal card having two halves one of which is to be torn off and used for making reply to a communication on the other half with postage for the reply being paid by the original sender
noun
: a double-size postal card having two halves one of which is to be torn off and used for making reply to a communication on the other half with postage for the reply being paid by the original sender
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012