Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

Ontario

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

Definition of Ontario

  1. 1 city SW California NW of Riverside pop 163,924

  2. 2 province E Canada between Great Lakes & Hudson Bay ∗ Toronto area 415,596 square miles (1,076,395 square kilometers), pop 12,851,821

Ontarian

play \-ē-ən\ adjective or noun



Learn More about ontario


Seen and Heard

What made you want to look up Ontario? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

mysterious, holy, or spiritual

Get Word of the Day daily email!