I. noun 1. a member of an American Indian people of Maine and southern Quebec. 2. [ mass noun] — either or both of the two extinct Algonquian languages ( Eastern Abnaki and Western Abnaki) of the Abnaki. II. adjective relating to the Abnaki or their language.
– origin from French Abénaqui, from Montagnais ouabanăkionek ‘people of the eastern land’.