Shahaptian
noun
Sha·hap·ti·an
| \ shəˈhaptēən\
variants:
or Sahaptin \ səˈhaptə̇n \
or Sahaptian \ -tēən \
plural Shahaptian
or Shahaptians
or Sahaptin
or Sahaptins
or Sahaptian
or Sahaptians
Definition of Shahaptian
1a
: 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