1) Rockies indians 
• (n. pl.) A tribe of North American Indians formerly inhabiting the country from the upper Missouri River to the Saskatchewan, but now much reduced in numbers.
Indian tribe and reservation in Montana.
Plural form for the Blackfoot American Indian. ...
Black'feet` noun plural (Ethn.) A tribe of North American Indians formerly inhabiting the country from the upper Missouri River to the Saskatchewan, but now much reduced in numbers. 
The Blackfeet (Blackfoot) are a confederacy of three related north American Indian tribes of the Algonquin family: the Siksika, Kainah and Piegan. The Blackfeet got their name after separating from the Kena Indians and migrating to the area north of the Saskatchewan River in Alberta, Canada south to the headwater of the Missouri River in Montana, U...