posterboard
noun 3
Definitions
noun
1
Cardboard material suitable for making posters.
I used a piece of posterboard for my project.
2
A piece of such material.
I used the posterboard for my project.
3
A flyer printed on stiff cardboard, approximately 8.5 by 11 inches, mailed flat.
They sent me a nice posterboard on the new product.
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