Search Dictionary
Definition of cosumnes

cosumnes

/kəˈsʌmnəs/
Co · sum · nes

JUMP TO:

cosumnes Lexical Profile

• noun

1

American A 52-mile-long river in northern California, United States, that flows from the Sierra Nevada into the Mokelumne River, notable ecologically as the only major western Sierra river without a major dam.

Example

"Conservation groups have worked for decades to restore the natural floodplains along the lower Cosumnes River."


2

American A historic indigenous Plains Miwok tribe that originally inhabited the area around the Cosumnes River in California.

Example

"The Cosumnes relied heavily on the rich seasonal salmon runs of their native river basin."

Word Nuance & Usage

Almost exclusively encountered as a capitalized proper noun (Cosumnes), functioning primarily as an attributive noun in geographic names (e.g., Cosumnes River) in Northern California.

• Rhymes for cosumnes

Word Origin & Etymology

Derived from the indigenous Plains Miwok language, combining 'kosum' (salmon) and the suffix '-umne' (people of), meaning 'People of the Salmon'.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Cosumnes. In Wordmom Dictionary. Retrieved Oct 14, 2026, from https://wordmom.com/dictionary/cosumnes
Wordmom is your complete guide to the English language. Whether you're looking up a definition, searching for the perfect synonym, or unscrambling letters for a word game, our comprehensive suite of tools is designed to help you find the right word, every time.
Dictionary & Reference
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE®, Words With Friends®, Wordle®, and related game titles or tournament codes are registered trademarks of their respective owners (including Hasbro, Mattel, Zynga, The New York Times, NASPA, and WESPA). Wordmom is an independent reference utility for educational and entertainment purposes, not affiliated with, sponsored, or endorsed by these entities. All game names are referenced strictly under nominative fair use for compatibility.