headwater

noun

head·​wa·​ter ˈhed-ˌwȯ-tər How to pronounce headwater (audio)
-ˌwä-
: the source of a stream
usually used in plural

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
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These projects manage most of the major reservoirs on the western side of the Sierra Nevada range, from the headwaters of the San Joaquin River to Shasta on the Sacramento River in the state’s far north. Tom Philp, The Mercury News, 20 Mar. 2025 Northern areas of Colorado — including on the Yampa River and near the Colorado River’s headwaters north of Kremmling — have above-normal snowpack. Elise Schmelzer, The Denver Post, 20 Mar. 2025 At the base of the South Cumberland Plateau, near the headwaters of the Elk River, this is some lush territory. Colleen Creamer, Chicago Tribune, 5 Mar. 2025 The conservation easement secures the land’s upland forests, 26 acres of wetlands, and Naugatuck River headwaters. Shelley Harms, Hartford Courant, 28 Feb. 2025 See All Example Sentences for headwater

Word History

First Known Use

1612, in the meaning defined above

Time Traveler
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 23 Apr. 2025.

Kids Definition

headwater

noun
head·​wa·​ter -ˌwȯt-ər How to pronounce headwater (audio)
-ˌwät-
: the beginning and upper part of a stream
usually used in plural
Last Updated: - Updated example sentences
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