as in canals
an open man-made passageway for water
the Erie Canal was the first watercourse to connect the Hudson River with the Great Lakes
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Recent Examples of watercourses
At the same time, there are riparian natives — those that grow along watercourses — which may need regular attention in terms of water needs for many years after planting.
—
Joshua Siskin, Oc Register, 8 Nov. 2025
Joshua Siskin, Oc Register, 8 Nov. 2025
Recent Examples of Synonyms for watercourses
Noun
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It can also be released by cooking fats and oils at high temperatures, and has been found in water produced by oil and gas operations and is an ingredient in some pesticides used in irrigation canals.—
Los Angeles Times,
Los Angeles Times,
14 May 2026
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In Rotterdam, the design referenced canals and bridges.—
Christine Mortag,
Condé Nast Traveler,
13 May 2026
Noun
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The mussels’ tiny larvae have drifted down canals and aqueducts of the State Water Project and have been detected as far south as Bakersfield, Los Angeles and San Diego counties.—
Paul Rogers,
Mercury News,
8 May 2026
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The tunnel would create a second route to transport water from new intakes on the Sacramento River to the south side of the Delta, where pumps send water into the aqueducts of the State Water Project.—
Ian James,
Los Angeles Times,
8 May 2026
Cite this Entry
“Watercourses.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/watercourses. Accessed 22 May. 2026.
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