noun, plural Sha·hap·ti·ans, (especially collectively) Sha·hap·ti·an, adjective
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Examples from the Web for shahaptian
Historical Examples of shahaptian
The Klikitat were a Shahaptian tribe, near kin to the Yakima.
On the south they were hemmed in mainly by the Shahaptian tribes.Indian Linguistic Families Of America, North Of Mexico
John Wesley Powell