Noun watercourse has 3 senses
  1. watercourse - natural or artificial channel through which water flows
    --1 is a kind of
    channel
  2. stream, watercourse - a natural body of running water flowing on or under the earth
    --2 is a kind of body of water, water
    --2 has parts: ford, crossing; meander; midstream
    --2 has particulars:
     branch; brook, creek; headstream; river; rivulet, rill, run, runnel, streamlet; tidal river, tidewater river, tidal stream, tidewater stream
  3. watercourse, waterway - a conduit through which water flows
    --3 is a kind of way
    --3 has particulars: canal; flume; headrace; tailrace
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