watercourse

1. Natural or artificial channel through which water flows (synset 109498309)
   is a type of: channel - a deep and relatively narrow body of water (as in a river or a harbor or a strait linking two larger bodies) that allows the best passage for vessels
2. A natural body of running water flowing on or under the earth (synset 109471510)
   is a type of: body of water, water - the part of the earth's surface covered with water (such as a river or lake or ocean)
   subtypes:

   • branch - a stream or river connected to a larger one
   • brook, creek - a natural stream of water smaller than a river (and often a tributary of a river)
   • headstream - a stream that forms the source of a river
   • river - a large natural stream of water (larger than a creek)
   • rill, rivulet, run, runnel, streamlet - a small stream
   • tidal river, tidal stream, tidewater river, tidewater stream - a stream in which the effects of the tide extend far upstream
   has:

   • crossing, ford - a shallow area in a stream that can be forded
   • meander - a bend or curve, as in a stream or river
   • midstream - the middle of a stream
   same as: stream
3. A conduit through which water flows (synset 104566561)
   is a type of: way - any artifact consisting of a road or path affording passage from one place to another
   subtypes:

   • canal - long and narrow strip of water made for boats or for irrigation
   • flume - watercourse that consists of an open artificial chute filled with water for power or for carrying logs
   • headrace - a waterway that feeds water to a mill or water wheel or turbine
   • tailrace - a watercourse that carries water away from a mill or water wheel or turbine
   same as: waterway

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