HyperDic: wall_of_silence

English > 1 sense of the expression *wall of silence*:
NOUN	act	wall of silence, blue wall of silence, blue wall	the secrecy of police officers who lie or look the other way to protect other police officers

English > *wall of silence*: 1 sense > noun 1, act
Meaning	The secrecy of police officers who lie or look the other way to protect other police officers.
Synonyms	blue wall of silence, blue wall
Broader	cover-up	concealment that attempts to prevent something scandalous from becoming public