shunt
1. shunt \'sh*nt\ vb [ME shunten to flinch] 1: to turn off to one side : SHIFT; specif : to switch (as a train) from one track to another 2: to provide with or divert by means of an electrical shunt 1: to move to the side 2: to travel back and forth - shunt.er n 2. shunt n : a means or mechanism for turning or thrusting aside : as chiefly Brit : a railroad switch : a conductor joining two points in an electrical circuit so as to form a parallel or alternative path through which a portion of the current may pass (as for regulating the amount passing in the main circuit)
Webster's English Dictionary