headwaters

plural of headwater
as in tributary
the beginning part of a stream 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

Synonyms & Similar Words

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Example Sentences

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.
Recent Examples of headwaters According to the post, Kentucky State Police Aviation saw smoke in the area, and wardens and search and rescue personnel were able to access the location, near the headwaters of Cave Run Lake, using a boat. — Caroline Neal, Louisville Courier Journal, 11 Sep. 2026 Others, like salmon, return upstream via Metro-North or the Long Island Rail Road to the suburban headwaters in which they were born, in order to spawn. — Christopher Bonanos, Curbed, 2 Sep. 2026 Clear Creek County Commissioner George Marlin makes a compelling case that alone, his small county of about 9,000 residents could never fund the mitigation needed to protect the headwaters of Clear Creek. — Megan Schrader, Denver Post, 27 Aug. 2026 The agreement was made at a time when the region had a smaller population and benefited from wetter years, with much more snow to feed the river’s headwaters in the Rocky Mountains. — Laura Paddison, CNN Money, 21 Aug. 2026 Following an exceedingly warm year that has left the Colorado River’s headwaters in the Rocky Mountains largely snowless, Lake Mead is nearing a record-low level. — Lila Seidman, Los Angeles Times, 16 July 2026 Its headwaters are in Indian River County, its mouth in the Atlantic near Jacksonville, which is the furthest place Sanders Fish House delivers its wild catch. — Amy Drew Thompson, The Orlando Sentinel, 28 June 2026 Grinnell Glacier Trail, Glacier National Park, Montana Covering around a million acres, Glacier National Park provides the headwaters for streams that flow to the Pacific Ocean, the Gulf of Mexico, and the Hudson Bay. — Stacey Leasca, Travel + Leisure, 26 June 2026 Lake Assinica in the Broadback headwaters has attracted world-wide attention for its giant squaretails the past two years. — Marc Terziev, Outdoor Life, 25 June 2026
Recent Examples of Synonyms for headwaters
Noun
  • The Middle Patuxent River runs through the property from north to south, fed by numerous tributary streams.
    — Susan Soldavin, Baltimore Sun, 20 Sep. 2026
  • While low flows continue to persist in sections of the Colorado River, cold tributaries, deeper-water refuges in narrow canyon reaches, and larger pools provide cool refuges for fish.
    — Christa Swanson, CBS News, 20 Sep. 2026
Noun
  • Even if Paramount is able to reach a settlement with the state AGs, the Paramount-WB merger will not close immediately, a knowledgeable source told Variety.
    — Cynthia Littleton, Variety, 21 Sep. 2026
  • The delay again has created a potential cash crunch for districts during the wait for their cut — often a main revenue source for local governments — and added to the pile of complaints about the county’s decade-long property tax system upgrade.
    — A.D. Quig, Chicago Tribune, 20 Sep. 2026

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Cite this Entry

“Headwaters.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/headwaters. Accessed 26 Sep. 2026.

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