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nouna lane at sea that is a regularly used route for vessels
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Definition that contains seaway
- st. lawrence seaway 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
- saint lawrence seaway 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