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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Kerrville and west into the town of Hunt are the headwaters of the river. July 7, CBS News, 7 July 2025 On Saturday, May 24, the Seward Fire Department was dispatched to a rescue in the Fourth of July Creek headwaters amid reports that a 61-year-old male was underneath a boulder, a news release shared on Facebook confirmed. Becca Longmire, People.com, 30 May 2025 The man was trapped May 24 in a boulder field in the headwaters of Fourth of July Creek in the Kenai Peninsula, officials said. Sara Schilling, Sacbee.com, 28 May 2025 The Amazon trip that starts in late November will explore the river’s headwaters in the Pacaya Samiria Reserve, a 5-million-acre wildlife sanctuary on the eastern flank of the Andes that is home to pink river dolphins, scarlet macaws, sloths, and monk saki monkeys. Eduardo Garcia, Travel + Leisure, 26 May 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 19 Jul. 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
Love words? Need even more definitions?

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