Definition of Democracy Wall in English:

Democracy Wall

noun

historical
  • A wall in Beijing, China, on which people placed posters, letters, poems, etc., criticizing the communist government and calling for the adoption of democratic reform; (hence) the democracy movement that arose from this in 1978; frequently attributive, especially in "Democracy Wall Movement".

    Posting messages on the wall was originally permitted by the Chinese authorities, but was eventually prohibited in December 1979.

Origin

1970s; earliest use found in The Washington Post. After Chinese mínzhǔ qiáng from mínzhǔ democracy + qiáng wall.