We found 2 definitions of post card from 2 different sources.
Noun |
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post card - a card for sending messages by post without an envelope | ||
postcard, postal card, mailing-card | ||
card one of a set of small pieces of stiff paper marked in various ways and used for playing games or for telling fortunes; "he collected cards and traded them with the other boys" | ||
lettercard a postcard that folds so the message is inside |