Ontario

geographical name
On·​tar·​io | \än-ˈter-ē-ˌō \

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 \-​ē-​ən \ adjective or noun

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the figure or shape of a crescent moon

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