a. [ Named from Lake Huron. ] (Geol.) Of or pertaining to certain non-fossiliferous rocks on the borders of Lake Huron, which are supposed to correspond in time to the latter part of the Archæan age. [ 1913 Webster ]
n. (Ethnol.) A linguistic group of warlike North American Indians, belonging to the same stock as the Algonquins, and including several tribes, among which were the Five Nations. They formerly occupied the region about Lakes Erie and Ontario, and the larger part of New York. [ 1913 Webster ]
n. pl.;