Postcard
/pˈoʊˌstkɑrd/
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Definition
(noun) A rectangular piece of thick paper or thin cardboard, typically used for sending messages by mail without the need for an envelope.
Sentence Examples
Prepare five postcard sized pieces of cardboard.
Put this stamp on the postcard and drop it in the mailbox.
CEFR Practice Quiz
She sent a ____ from every city she visited, keeping a tradition she had started as a child.