Dictionary.net

• a short river flowing from Lake St. Clair to Lake Erie along the border between the United States and Canada; one the busiest inland waterways in the world

2006 - WordNet 3.0
By Princeton University

• a short river flowing from Lake St. Clair to Lake Erie along the border between the United States and Canada; one the busiest inland waterways in the world

2011 - English Dictionary Database
By DataStellar Co., Ltd