Saint Marys River

Saint Mar·ys River

 (mâr′ēz)

1. A river, about 210 km (130 mi) long, rising in southeast Georgia in the Okefenokee Swamp and flowing eastward along the Georgia-Florida border to the Atlantic Ocean.

2. A river, about 120 km (75 mi) long, flowing from Lake Superior to Lake Huron and forming part of the US-Canadian border.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.