Definition of moose river in English English dictionary
A river, about 547 km (340 mi) long, of northeast Ontario, Canada, flowing northeast to James Bay as the estuary of the Abitibi, Mattagami, and other rivers. River, northeastern Ontario, Canada. It flows northeast for more than 60 mi (100 km) to empty into James Bay. A wide stream, it is actually the estuary for several rivers, including the Abitibi and Mattagami