I. noun 1. a member of an American Indian people living in Canada along the Ottawa River and its tributaries and westward to the north of Lake Superior. 2. [ mass noun] — the Algonquian language of the Algonquin people, with about 3,000 speakers. II. adjective relating to the Algonquin people or their language.
– origin French, contraction of obsolete Algoumequin, from a Micmac word meaning ‘at the place of spearing fish and eels’.