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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Its main stem flows 2,350 miles from the headwaters at Lake Itasca in Minnesota to the Gulf of Mexico, touching 10 states and spreading out into many more with its tributaries. Amy Graff, New York Times, 3 May 2025 Tree roots and fungi guide rainwater down to the water tables and create the headwaters for the rivers. Suwanna Gauntlett Upjohn, Forbes.com, 17 Apr. 2025 Gauley River: Threatened by toxic pollution from strip mining for coal in the headwaters. Doyle Rice, USA Today, 17 Apr. 2025 Yet, this same remarkable watershed faces a grave threat: toxic pollution from coal strip mining in the headwaters of the Cherry River, one of the Gauley's primary tributaries. Li Cohen, CBS News, 15 Apr. 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

Browse Nearby Words

Cite this Entry

“Headwater.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/headwater. Accessed 20 May. 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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