1. a member of any of the North American Indian groups speaking an Algonquian language and originally living in the subarctic regions of eastern Canada; many Algonquian tribes migrated south into the woodlands from the Mississippi River to the Atlantic coa
2. family of North American Indian languages spoken from Labrador to South Carolina and west to the Great Plains
Adjective
1. of or relating to an Algonquian tribe or its people or language