Chinookan definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
of the Chinooks or their language or culture
a family of North American Indian languages spoken in the Pacific northwest
Chinookan definition by American Heritage Dictionary
A North American Indian language family of Washington and Oregon.
- Chi·nookˈan adjective