Saint Lawrence River

n. river flowing west-to-east in North America (the river bisects the Canadian province of Quebec and forms part of the border between the state of New York in the United States and the province of Ontario in Canada)

The Saint Lawrence River (In French: fleuve Saint-Laurent) is a large south west-to-north east flowing river in the middle latitudes of North America, connecting the Great Lakes with the Atlantic Ocean. It is the primary drainage of the Great Lakes Basin. It is called Kaniatarowanenneh ("big waterway") in Mohawk. It traverses the Canadian provinces of Quebec and Ontario and forms part of the provincial boundary between Québec and Ontario and part of the international boundary  between Ontario, Canada and the U.S. state of New York.
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Noun
1. a North American river; flows into the Gulf of Saint Lawrence and the North Atlantic
(synonym) Saint Lawrence, St. Lawrence, St. Lawrence River
(hypernym) river
(part-holonym) United States, United States of America, America, US, U.S., USA, U.S.A.