“ SENECA, a tribe of North American Indians of Iroquoian stock. They call themselves Tshoti-nondawaga, “ people of the mountain.” The French called them Tsonnontouan. Their former range was in western New York state between Seneca lake and the Genesee river. They were one of the Six Nations League of the Iroquois, and eventually became the most important tribe of the league. They were foremost in all the Iroquoian wars, and were the official guardians of the western frontier of the league. ”