In railroading, a flying switch is made by uncoupling the cars from the engine while in motion, and throw-ing the cars onto the side track, by turning the switch, after the engine has passed it upon the main track. Greenleaf v. Illinois Cent. R. Co., 29 Iowa, 39, 4 Am. Rep. 181; Baker v. Railroad Co., 122 Mo. 533, 26 S. W. 20
Source: Black’s Law Dictionary 2nd Ed (1910)
