- a lake in E Canada, in Quebec province. 840 sq. mi. (2,176 sq. km).
- a lake in E Canada, in N Quebec: the largest lake in the province; drains through the Rupert River into James Bay. Area: 2175 sq km (840 sq miles). Length: about 160 km (100 miles)
Mistassini (noun) Definition, Meaning & Examples
