Flume

n.

1.

A stream; especially, a passage channel, or conduit for the water that drives a mill wheel; or an artifical channel of water for hydraulic or placer mining; also, a chute for conveying logs or lumber down a declivity.

Noun	1.	flume - a narrow gorge with a stream running through it Synonyms: gulch
	2.	flume - watercourse that consists of an open artificial chute filled with water for power or for carrying logs

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