Ontario

[on-tair-ee-oh]

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.

Ontario

/ 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)

Ontario

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.

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

Ontario's Animal Welfare Services has conducted multiple investigations over the past several years, visiting the park more than 200 times since 2020, according to CBC News.

Read more on BBC

Ottawa estimates that public pension plans, among them the CPP Investment Board and Ontario Teachers’ Pension Plan, collectively hold more than 3 trillion Canadian dollars in assets, the equivalent of US$2.1 trillion.

Read more on The Wall Street Journal

This "sword dragon" was discovered in 2001 by fossil hunter Chris Moore and then acquired by the Royal Ontario Museum in Canada where it took more than 15 years to be fully analysed.

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The kidnapped person was able to escape in Ontario and was hospitalized.

Read more on Los Angeles Times

He is a graduate of Western University in London, Ontario, and earned his journalism degree at Metropolitan Toronto University, formerly known as Ryerson.

Read more on The Wall Street Journal