shunt

shunt (http://definr.com/shunt)

     n 1: a passage by which a bodily fluid (especially blood) is
          diverted from one channel to another; "an arteriovenus
          shunt"
     2: a conductor having low resistance in parallel with another
        device to divert a fraction of the current [syn: {electrical
        shunt}, bypass]
     3: implant consisting of a tube made of plastic or rubber; for
        draining fluids within the body
     v 1: transfer to another track, of trains
     2: provide with or divert by means of an electrical shunt