postcard
Synonym discussion
Sense: noun/1
For noun sense 1, a postcard is an open card for a short message, often with a travel photo or drawing on it. A letter is more private and usually goes inside an envelope, so it suits longer news. A greeting card is used for occasions such as birthdays or holidays and is chosen for the message of celebration rather than for a place picture. Picture postcard is a close match, but it puts extra attention on the image. Postal card is more formal and can also refer to a plain card sold for mailing. You send a postcard from Taipei, but you write a letter when you need more space.
Common collocations
Etymology
Postcard is a compound formed in English from post and card. It appeared in the 19th century after postal systems began allowing people to send short written messages on a single card instead of placing them inside an envelope.
First known use
1869
1869, in the meaning defined at sense 1 Adjective