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St. Lawrence

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noun
  1. a river in SE Canada, flowing NE from Lake Ontario, forming part of the boundary between New York and Ontario, and emptying into the Gulf of St. Lawrence. 760 miles (1225 km) long.
  2. Gulf of, an arm of the Atlantic between SE Canada and Newfoundland.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
st. lawrence river in Culture

St. Lawrence River

River flowing northeast from Lake Ontario to the Atlantic Ocean. Ontario and Quebec, Canada, and New York state are along its banks.

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Note

Important trade route. The St. Lawrence Seaway, a system of locks, allows oceangoing ships to pass between the Atlantic and the Great Lakes.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.