Ontario

American  

[on-tair-ee-oh] / ɒnˈtɛər iˌoʊ /

noun

1. a province in southern Canada, bordering on the Great Lakes. 412,582 square miles (1,068,585 square kilometers). Toronto.

2. Lake Ontario, a lake between the northeastern United States and southern Canada, between New York and Ontario province: the smallest of the Great Lakes. 193 miles (310 kilometers) long; 7,540 square miles (19,530 square kilometers).

3. a city in southwestern California, east of Los Angeles.

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Ontario British  

/ ɒnˈtɛərɪəʊ /

noun

1. Abbreviation: Ont..   ON.  a province of central Canada: lies mostly on the Canadian Shield and contains the fertile plain of the lower Great Lakes and the St Lawrence River, one of the world's leading industrial areas; the second largest and the most populous province. Capital: Toronto. Pop: 12 392 721 (2004 est). Area: 891 198 sq km (344 092 sq miles)

2. a lake between the US and Canada, bordering on New York State and Ontario province: the smallest of the Great Lakes; linked with Lake Erie by the Niagara River and Welland Canal; drained by the St Lawrence. Area: 19 684 sq km (7600 sq miles)

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Ontario Cultural  

1. Province in central Canada, bordered by Hudson Bay and James Bay to the north; Quebec to the east; the St. Lawrence River, Lake Ontario, Lake Erie, Lake Huron, Lake Superior, and Minnesota to the south; and Manitoba to the west. Its capital and largest city is Toronto.

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Discover More

Ontario is the most heavily industrialized, populous, and prosperous province in Canada.

The Canadian side of Niagara Falls is in southern Ontario.

Ottawa, Canada's capital, is in southeastern Ontario.

Other Word Forms

• Ontarian adjective
• Ontaric adjective

Example Sentences

Other investors in the business included Fidelity International and a unit of Ontario Teachers' Pension Plan, with Octopus maintaining a 13.7% stake in Kraken.

From BBC

The five identical sisters, born in Ontario at the height of the Great Depression in 1934, were the first known quintuplets to survive past infancy.

From BBC

At the University of Western Ontario’s Ivey Business School, the dean liked me and thought I could be a successful entrepreneur.

From The Wall Street Journal

Ontario endured a spate of shaking a little more than a year ago, topping out with a magnitude 4 quake on Oct.

From Los Angeles Times

“There’s a lot more work that goes on behind the scenes which these people don’t consider when they ask for assistance,” said the 29-year-old living in London, Ontario.

From The Wall Street Journal