saint lawrence seaway

1 definition found

saint lawrence seaway - WordNet (r) 2.1 (2005) :

  Saint Lawrence Seaway
      n 1: a seaway involving the Saint Lawrence River and the Great
           Lakes that was developed jointly by Canada and the United
           States; oceangoing ships can travel as far west as Lake
           Superior [syn: Saint Lawrence Seaway, St. Lawrence Seaway
           ]