head·​wa·​ter | \ ˈhed-ˌwȯ-tər How to pronounce headwater (audio) , -ˌwä- \

Definition of headwater

: the source of a stream usually used in plural

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Examples of headwater in a Sentence

the first exploration of the Missouri River from its mouth to its headwaters was made by Meriwether Lewis and William Clark in the early 1800s
Recent Examples on the Web Baldwin Creek and two headwater tributary streams run through the preserve, and the area is a habitat for many plant and animal species. Rich Heileman, cleveland, "Brook Park business owner honored for pandemic response: Around The Town," 13 Nov. 2020 Mountain headwater forests are an integral part of California’s water infrastructure. Popular Science, "Healthy forests do more than just prevent wildfires," 19 Oct. 2020 Adventurous anglers can also make their way up the creek’s headwater streams to find some native brook trout. Matt Wyatt, ExpressNews.com, "Trout streams reveal the splendor of North Georgia," 15 Oct. 2020 West Creek Conservancy, in a collaborative effort with The Nature Conservancy, aided in the acquisition of an area in rural Geauga County that is at the headwaters of the Cuyahoga River. cleveland, "West Creek Conservancy cultivates partnerships to ensure public access to healthy ecosystems," 22 May 2020 But new research from American climatologists shows for the first time that China, where the headwaters of the Mekong spring forth from the Tibetan Plateau, was not experiencing the same hardship at all. Hannah Beech, New York Times, "China Limited the Mekong’s Flow. Other Countries Suffered a Drought.," 13 Apr. 2020 From its headwaters in Colorado and Wyoming, the river basin fans out across 246,000 square miles to the Mexican border. Ian James, AZCentral.com, "How a trickle of water is breathing life into the parched Colorado River Delta," 19 Apr. 2020 Opponents fear that mining the Pebble deposit, which sits at the headwaters of two of the most important salmon-producing rivers in the region, would pollute the waters and destroy the species' habitat. Acacia Johnson, National Geographic, "The risky plan to haul minerals from a mine in the Alaska wilderness," 14 Jan. 2020 But critics say the rollback will speed the conversion of wetlands and headwaters, which provide critical habitat for wildlife and support the nation's drinking water supply. Author: Juliet Eilperin, Brady Dennis, Anchorage Daily News, "Trump administration plans to return nation to 1986 standards on water pollution," 12 Sep. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'headwater.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of headwater

1612, in the meaning defined above

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The first known use of headwater was in 1612

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Cite this Entry

“Headwater.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/headwater. Accessed 13 May. 2021.

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