Sault Ste. Marie Canals

or Sault Sainte Marie Canals, Soo Canals

plural noun
  1. two ship canals, one in Canada and the other in Michigan, N and S of Sault Ste. Marie rapids and connecting Lakes Superior and Huron. 1½ miles (2.4 km) long.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018