Veja estes exemplos:

Hot topping - Patent 3962525
... metal impinges on the base of the mould or by uphill teeming whereby the stream is channeled from a funnel into the ingot mould via a port in its base. ...
www.freepatentsonline.com/3962525.html

Flayosc Town Village visit - by Provence Beyond
... past the wine co-op. The stream is channeled around a central area, covered by wooden-beamed roof with symmetrical steel-rod supports. ...
www.beyond.fr/villages/flayosc.html

Ryuzu Falls, Nikko, Japan landscape photography
This photo is of Ryuzu Falls, located in the middle of Nikko National Park. The stream is channeled along two different paths around a large Boulder, ...
www.gcollier.com/Ryuzu-Waterfall.html

Whitstable: Information from Answers.com
The route of the stream is channeled down a covered conduit which runs under Stream Walk. Close to its mouth the stream has a covered reservoir, ...
www.answers.com/topic/whitstable