Mistassini

geographical name
Mis·​tas·​si·​ni | \ ˌmi-stə-ˈsē-nē How to pronounce Mistassini (audio) \

Definition of Mistassini

1 lake in south central Quebec, Canada, draining west to James Bay area 840 square miles (2184 square kilometers)
2 river 185 miles (298 kilometers) long in southern Quebec, Canada, flowing south into Lake Saint-Jean

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