1. designating or of a widespread family of over twenty languages spoken by North American Indian peoples, including the Arapaho, Cheyenne,
Blackfoot, Ojibwa, Fox, Shawnee, Abenaki, and Delaware
2. this family of languages
3. a member of a people speaking any of these languages
Webster’s New World College Dictionary, Fourth Edition, compiled by the
editors of Webster’s New World Dictionaries. Copyright © 2010 by Houghton
Mifflin Harcourt. Published by Houghton Mifflin Harcourt. All rights reserved.
Word origin of 'Algonquian'
: coined (1891) by J. W. Powell