- watercourse - natural or artificial channel through which water flows
--1 is a kind of channel
- 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 - watercourse, waterway - a conduit through which water flows
--3 is a kind of way
--3 has particulars: canal; flume; headrace; tailrace - stream, watercourse - a natural body of running water flowing on or under the earth