sinfonietta
noun
                                                                                                                            
                                                            sin·fo·niet·ta
                    
                                                                                                              
                                                                                                                                  ˌsin-fən-ˈye-tə  
                                                                                                                              
            -fōn-
                                                      
                                                          1
                    
                                          
              
          
                                                      : a symphony of less than standard length or for fewer instruments                                      
                
                    
2
                    
                                          
              
          
                                                      : a small symphony orchestra                                      
                
                                
            especially                
          
                                                      : an orchestra of strings only                                      
            
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  Merriam-Webster unabridged




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