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English definition of “breach”

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noun [C]  /britʃ/ us  

breach noun [C] (BREAK)

an act of breaking a rule, law, custom, or practice: In a breach of security, unauthorized people were able to board the plane.

breach noun [C] (OPENING)

an opening in a wall or fence or in a line of military defense
verb [T]  /britʃ/ us  
The river breached the dams.
(Definition of breach from the Cambridge Academic Content Dictionary © Cambridge University Press)
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