shunt

A conductor having low resistance in parallel with another device to divert a fraction of the current.

A passage by which a bodily fluid (especially blood) is diverted from one channel to another.

“an arteriovenus shunt”

Implant consisting of a tube made of plastic or rubber; for draining fluids within the body.

Provide with or divert by means of an electrical shunt.

Transfer to another track, of trains.