An intermediate shaft; esp., one which receives motion from a line shaft in a factory and transmits it to a machine.
                                                            
                                                     
                        
                                                
                        
                        
                            an intermediate or secondary shaft between the drive shaft of a conveyor and the source of power.
                                                            
                                                     
                        
                                                
                        
                        
                            An intermediate shaft that is rotated by a mainshaft and transmits, in turn, that rotation to a working part.