Akwesasne /ˌækwəˈsæsneɪ/ noun1 •A Mohawk territory at the triple point of the US state of New York and the Canadian provinces of Ontario and Quebec, lying astride the international boundary; jurisdictionally split between the St. Regis Mohawk Reservation in New York, the Akwesasne 59 in Ontario and the Akwesasne 15 in Quebec.