Definition of "poster board" []

• A cardboard suitable for making posters (noun)

WordNet. Princeton University. 2010.

• "To be fair, for a typical twelve-year-old, “publication and peer review” usually means “write it up on a piece of poster board and appeal to your teacher for a good grade.”"
• "Cut a piece of poster board 2- or 3-inches high and about 1 foot long."
• "Securely tape or staple two large sheets of poster board together."