n.
  - an act of breaking a law, agreement, or code of conduct. 
▸a break in relations.
 - a gap in a wall or barrier, especially one made by an attacking army.
 
v.
  - make a breach in.
 - break (a law, agreement, or code of conduct).
 
 
  Phrase
  
    - breach of the peace
 public disturbance, or an act considered likely to cause one.  - breach of promise
 the action of breaking a sworn assurance.  - step into the breach
 replace someone who is suddenly unable to do a job. 
   
  Etymology
  ME: from OFr. breche, ult. of Gmc origin; rel. to break1.