n.
1.a group of Amerindian languages (the name coined by an American anthropologist, Edward Sapir)
2.a member of any of the North American Indian groups speaking an Athapaskan language and living in the subarctic regions of western Canada and central Alaska
Idiom of the Day
line up (someone for something)
to arrange or schedule someone for something
We were unable to line up a speaker for our meeting.