Search Dictionary
Definition of clackamas

clackamas

/ˈklæk.ə.məs/
clack · a · mas

Plural:Clackamas
JUMP TO:

clackamas Lexical Profile

• noun

1

American A tributary river, approximately 83 miles long, flowing through northwestern Oregon into the Willamette River, which also gives its name to the surrounding county.


2

American A Native American tribe traditionally inhabiting the Willamette Valley of present-day Oregon, culturally and linguistically related to the Chinookan peoples.

Example

"The Clackamas were skilled fishers and traders who built villages along the rivers of the Pacific Northwest."


3

American The extinct Upper Chinookan language formerly spoken by the Clackamas people in the Pacific Northwest of the United States.

Example

"Linguistic anthropologists have studied historical texts and preserved oral histories to understand the syntax of Clackamas."

Word Origin & Etymology

Derived from the indigenous Upper Chinookan word 'ɬáq'imaš', the self-designation of the Native American tribe residing in the Willamette Valley.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Clackamas. In Wordmom Dictionary. Retrieved Nov 6, 2026, from https://wordmom.com/dictionary/clackamas
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Dictionary & Reference
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.