a province in southern Canada, bordering on the Great Lakes. 412,582 square miles (1,068,585 square kilometers). Capital: Toronto.
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).
a city in southwestern California, east of Los Angeles.
- On·tar·i·an, On·tar·ic [on-tar-ik], /ɒnˈtær ɪk/, adjective, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use Ontario in a sentence
The sales rep said he gave Harris screws to take back to the FDA district office in Ontario, California.
She jumped bail to Canada, with more than $1 million in cash and diamonds, and settled in Hamilton, Ontario.Meet 'The Queen of Thieves' Marm Mandelbaum, New York City's First Mob Boss | J. North Conway | September 7, 2014 | THE DAILY BEAST
Emily Rushton, an escort in her 30s who tours both cities and smaller towns around Ontario, explains that region is a factor, too.
“I can throw a golf ball that far,” one dad told The Ontario Star.Colorado Man Buys Former Prison, Hoping to Transform It Into a Pot Factory | Abby Haglage | July 31, 2014 | THE DAILY BEAST
A caravan from Windsor, Ontario across the river recently delivered a couple of hundred gallons to needy customers.Detroit Shuts Off Water to Residents but Not to Businesses Who Owe Millions | Mary M. Chapman | July 26, 2014 | THE DAILY BEAST
Dane turned and laughed at him as he signed to one of the Ontario hired men to take the near horse's head.Winston of the Prairie | Harold Bindloss
Thus in the Laurentian Lakes above Ontario the geologist finds evidence that the drainage lines have again and again been changed.Outlines of the Earth's History | Nathaniel Southgate Shaler
At a later stage channels were formed leading from Georgian Bay to the eastern part of Ontario.Outlines of the Earth's History | Nathaniel Southgate Shaler
What Ontario lacks in salt water navigation is, however, made up by the busy traffic of the Great Lakes.
I had, yesterday, quite an interesting excursion to one of these ancient places of sepulture north of the head of Lake Ontario.The Indian in his Wigwam | Henry R. Schoolcraft
British Dictionary definitions for Ontario
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): Abbreviation: Ont., ON
Lake Ontario 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)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cultural definitions for Ontario
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.