shəˈhaptēən noun
or sa·hap·tin səˈhaptə̇n ; or sa·hap·ti·an -tēən
( plural shahaptian or shahaptians or sahaptin or sahaptins or sahaptian or sahaptians )
Usage: usually capitalized
1.
a. : an Indian people of a large territory along the Columbia river and its tributaries in Oregon, Washington, and northern Idaho
b. : a member of such people
2. : the language of the Shahaptian people including Nez Percé and Yakima