The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
also As·sin·i·boinenoun pl. Assiniboin or As·sin·i·boins also Assiniboine or As·sin·i·boines
- a. A Native American people formerly inhabiting southern Manitoba, now located in Montana, Alberta, and Saskatchewan. The Assiniboin became nomadic buffalo hunters after migrating to the northern Great Plains in the 18th century.b. A member of this people.
- The Siouan language of the Assiniboin.
Origin: French Assiniboine, of Ojibwa origin.
- As·sinˈi·boinˌ adjective