posterboard

(uncountable) Cardboard material suitable for making posters.
(countable, uncountable) A piece of such material.
(countable, direct, uncountable) A flyer printed on stiff cardboard, approximately 8.5 by 11 inches, mailed flat.

poster board

pudden-head

From poster + board.

Practice speaking and memorizing "posterboard" and many other words and sentences in English.

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