/sah hap"teuhn/ , n. , pl. Sahaptins , ( esp. collectively ) Sahaptin for 1, adj.
n.
1. a member of an American Indian people of Oregon, Washington, and Idaho.
2. a language used by several American Indian tribes, including the Nez Percés, of the Columbia River basin.
adj.
3. of or pertaining to the Sahaptins or to their languages.
Also, Shahaptian .
[ saptnx Nez Percé, Sahaptin ]