Lumbricidae
noun plural
                                                                                                                            
                                                            Lum·bric·i·dae
                    
                                                                                                              
                                                                                                                                  ləm-ˈbris-ə-ˌdē  
                                                      
                                                          
            
                                
              
          
                                                      : a family of segmented worms containing most of the earthworms of Eurasia and North America                                      
                
                    
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  Merriam-Webster unabridged




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