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Meaning of wallposter

wall•post•er

Pronunciation: (wôl'pō"stur), [key]
— n.
  1. (in China) a usually lengthy notice, complaint, personal opinion, etc., handwritten in large characters and hung on walls in cities, as a means of communication and for criticizing or attacking government policy or politicians.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.