1
                    
              
              
                chiefly British      
          
      
        a
    
          
                                          
              
          
                                                      : a place legally authorized for keeping small game (such as hare or pheasant)                                      
                
                    
        b
    
          
                                          
              
          
                                                      : the privilege of hunting game in such a warren                                      
                
                    
2
                    
        a(1)
    
                
                                          
              
          
                                                      : an area (as of uncultivated ground) where rabbits breed                                      
                
                    
        (2)
    
          
                                          
              
          
                                                      : a structure where rabbits are kept or bred                                      
                
                    
        b
    
          
                                          
              
          
                                                      : the rabbits of a warren                                      
                
                    
3
                    
        a
    
          
                                          
              
          
                                                      : a crowded tenement or district                                      
                
                    
        b
    
          
                                          
              
          
                                                      : a maze of passageways or small rooms                                      
                
                    
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  Merriam-Webster unabridged




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