Source : Webster's Revised Unabridged Dictionary (1913)

Algonquin \Al*gon"quin\, Algonkin \Al*gon"kin\, n.
   One of a widely spread family of Indians, including many
   distinct tribes, which formerly occupied most of the northern
   and eastern part of North America. The name was originally
   applied to a group of Indian tribes north of the River St.
   Lawrence.

Source : WordNet®

Algonquin
     adj : of or relating to an Algonquian tribe or its people or
           language [syn: {Algonquian}, {Algonkian}]
     n 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 coast [syn: {Algonquian}]
     2: family of North American Indian languages spoken from
        Labrador to South Carolina and west to the Great Plains
        [syn: {Algonquian}, {Algonquian language}]