saint clair

noun

1. Arthur,1736–1818, American Revolutionary War general, born in Scotland: 1st governor of the Northwest Territory, 1787–1802.
2. a river in the N central U.S. and S Canada, flowing S from Lake Huron to Lake St. Clair, forming part of the boundary between Michigan and Ontario. 41 miles (66 km) long.
3. Lake, a lake between SE Michigan and Ontario, Canada. 26 miles (42 km) long; 460 sq. mi. (1190 sq. km).

noun

1. Lake Saint Clair a lake between SE Michigan and Ontario: linked with Lake Huron by the St Clair River and with Lake Erie by the Detroit River. Area: 1191 sq km (460 sq miles)