Ontario
geographical name
On·tar·io
| \ än-ˈter-ē-ˌō
\
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Definition of Ontario
1
province of eastern Canada between the Great Lakes and Hudson Bay and bordering on the United States (New York, Michigan, and Minnesota); capital Toronto area 350,814 square miles (908,608 square kilometers), population 12,851,821
Note: Ontario is the most populous province of Canada.
2
city in southwestern California northwest of Riverside population 163,924
Other Words from Ontario
Ontarian
\ än-ˈter-ē-ən
\
adjective or noun
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adjective or noun