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


Thesaurus Entries Near headwaters

Cite this Entry

“Headwaters.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/headwaters. Accessed 16 Apr. 2024.

More from Merriam-Webster on headwaters

Love words? Need even more definitions?

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