cherubism
noun
                                                                                                                            
                                                            cher·ub·ism
                    
                                                                                                              
                                                                                                                                  ˈcher-(y)ə-ˌbiz-əm 
                                                      
                                                          
            
                                
              
          
                                                      : a hereditary condition characterized by swelling of the jawbones and especially in young children by a characteristic facies marked by protuberant cheeks and upturned eyes                                      
                
                    
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  Merriam-Webster unabridged




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