Saint Lawrence Seaway

geographical name

Definition of Saint Lawrence Seaway

waterway including a system of canals, locks, and dams in Canada and the U.S. in and along the Saint Lawrence River between Lake Ontario and Montreal

Learn More about Saint Lawrence Seaway

Statistics for Saint Lawrence Seaway

Cite this Entry

“Saint Lawrence Seaway.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Saint%20Lawrence%20Seaway. Accessed 9 May. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Comments on Saint Lawrence Seaway

What made you want to look up Saint Lawrence Seaway? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Star Wars Words Quiz

  • cu jedi training
  • The bounty portion of bounty hunters (such as Boba Fett) comes from a Latin word meaning
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Typeshift

Anagram puzzles meet word search.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!