St. Marys

[ mair-eez ]

noun

1. a river in SE Georgia, forming the E border with Florida, flowing from the Okefenokee Swamp E to the Atlantic Ocean. 175 miles (282 km) long.
2. a river in E Michigan, an outlet for Lake Superior, forming part of the border with Ontario, Canada, flowing S and SE past Sault Ste. Marie, where its falls have been bypassed by canals, to Lake Huron. 63 miles (101 km) long.