ALL meanings of ontarian
On·tar·i·o
O o - noun ontarian a province in S Canada, bordering on the Great Lakes. 412,582 sq. mi. (1,068,585 sq. km). Capital: Toronto. 1
- noun ontarian Lake, a lake between the NE United States and S Canada, between New York and Ontario province: the smallest of the Great Lakes. 193 miles (310 km) long; 7540 sq. mi. (19,530 sq. km). 1
- noun ontarian a city in SW California, E of Los Angeles. 1
- noun ontarian a native or inhabitant of Ontario 0
- adjective ontarian of or relating to Ontario or its inhabitants 0