From Longman Dictionary of Contemporary Englishwatercoursewa‧ter‧course /ˈwɔːtəkɔːs $ ˈwɒːtərkɔːrs, ˈwɑː-/ noun [countable] 1 SGWATERa place where water flows, for example a river or canal chemicals that pollute the local watercourse2 DNTBa long thin hole for water to flow through
Examples from the Corpus
watercourse• A large depression in the ground with a watercourse in which a certain amount of sluggish water stands.• A watercourse viewed primarily as an effluent carrier will be thought better able to tolerate further pollution.• Further stones can then be added around the edges to create a natural-looking watercourse.• Mens rea is not normally an issue in the case of pollution of watercourses when cause is to be established.• And here the cataract, fighting its way slowly upstream, encountered the subterranean remains of a much older watercourse.• Moving from research to teaching history is like moving from one watercourse to another..• The bridge spans the watercourse descending from Coire Mhic Nobuil in a very attractive setting, well seen from the parapet. 