Definition of omerta

< omer

omicron >

o·mer·ta    (-mûrt, mr-tä) KEY 

NOUN:

A rule or code that prohibits speaking or divulging information about certain activities, especially the activities of a criminal organization.

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ETYMOLOGY:
Italian omertà, perhaps from dialectal alteration of umiltà, humility, modesty, from Latin humilits ; see humility