double-tongue
verb
                                                                                                                            
                                                            dou·ble-tongue
                    
                                                                                                              
                                                                                                                                  ˌdə-bəl-ˈtəŋ 
                                                      
                                                          
            
            
              double-tongued; double-tonguing; double-tongues            
        
    
                                
              
          
                                                      : to cause the tongue to alternate rapidly between the positions for t and k so as to produce a fast succession of detached notes on a wind instrument                                      
                
                    
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