Ontario

Meanings

1. A province in eastern Canada. Capital: Toronto.
2. A large lake in North America, between the Canadian province of Ontario and the American state of New York; one of the Great Lakes; Lake Ontario.
3. A village in the Cayo District, Belize.
4. A number of places in the United States:
5. A city in San Bernardino County, California.
6. A township and unincorporated community therein, in Knox County, Illinois.
7. An unincorporated community in Lima Township, LaGrange County, Indiana.
8. A community in Ames, Story County, Iowa.
9. A town, hamlet, and census-designated place in Wayne County, New York.
10. Ellipsis of Ontario County, New York.
11. A city in Richland County, Ohio.
12. A city in Malheur County, Oregon.

Etymology

Probably from Wyandot ontari꞉io (literally “great lake”). If so, ultimately from Proto-North Iroquoian *-õtaɹeʔ and Proto-Iroquoian * -õːtaɹiʔ.