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

Definition of headwater

: the source of a stream usually used in plural

Synonyms for headwater


Visit the Thesaurus for More 

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 The project is moving fast with the city earlier this year purchasing the land, which is a meadow habitat with forested patches and 1,900 linear feet of West Creek headwater tributaries, for $880,000 from OSWIGI Limited. John Benson, cleveland, 11 Aug. 2021 The current plan calls for roughly a 3,000-foot, ADA-accessible trail to traverse the perimeter of the land, which is a meadow habitat with forested patches and 1,900 linear feet of West Creek headwater tributaries. John Benson, cleveland, 2 June 2021 The project, Jane explains, poses a major threat to the environment; the pipelines would traverse two hundred bodies of water, including the headwater of the Mississippi River. Javier Hasse, Forbes, 11 May 2021 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, 13 Nov. 2020 Mountain headwater forests are an integral part of California’s water infrastructure. Popular Science, 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, 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, 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, 13 Apr. 2020

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.

See More

First Known Use of headwater

1612, in the meaning defined above

Learn More About headwater

Time Traveler for headwater

Time Traveler

The first known use of headwater was in 1612

See more words from the same year

Dictionary Entries Near headwater




See More Nearby Entries 

Statistics for headwater

Cite this Entry

“Headwater.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/headwater. Accessed 4 Dec. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon


Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!