a river in southeastern Canada, flowing northeast from Lake Ontario, forming part of the boundary between New York and Ontario, and emptying into the Gulf of St. Lawrence. 760 miles (1,225 kilometers) long.
Gulf of St. Lawrence, an arm of the Atlantic Ocean between southeastern Canada and Newfoundland.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use St. Lawrence in a sentence
There are two principal bays of vast size, one called the gulf of St. Lawrence, the other French bay.
The bones of St. Lawrence moved in their grave to make room for those of another saint.The Catacombs of Rome | William Henry Withrow
The Quebec bridge (fig. 25) over the St Lawrence, which collapsed while in course of construction in 1907.
Above the entrance—grewsome and realistic spectacle—is poor St. Lawrence broiling away on his stone gridiron!Italian Days and Ways | Anne Hollingsworth Wharton
Very little is to be gleaned from the subsequent parts of the voyage, until they reached the gulf of St. Lawrence.The Indian in his Wigwam | Henry R. Schoolcraft