[on-tair-ee-oh] 
| 1. | a province in S Canada, bordering on the Great Lakes. 8,131,618; 412,582 sq. mi. (1,068,585 sq. km). Capital: Toronto. |
| 2. | Lake, a lake between the NE United States and S Canada, between New York and Ontario province: the smallest of the Great Lakes. 193 mi. (310 km) long; 7540 sq. mi. (19,530 sq. km). |
| 3. | a city in SW California, E of Los Angeles. 88,820. |
[on-tar-ik] , adjective, noun 
iˌoʊ