Definition of Ontario

1. Noun. The smallest of the Great Lakes.

Exact synonyms: Lake Ontario
Group relationships: Great Lakes
Generic synonyms: Lake

2. Noun. A prosperous and industrialized province in central Canada.

Definition of Ontario

1. Proper noun. A lake between Ontario province and New York State. ¹

2. Proper noun. A province in eastern Canada that has Toronto as its capital. ¹

3. Proper noun. A city in California. ¹

4. Proper noun. A town in Oregon. ¹

¹ Source: wiktionary.com

Medical Definition of Ontario

1. A province of canada lying between the provinces of manitoba and quebec. Its capital is toronto. It takes its name from lake ontario which is said to represent the iroquois oniatariio, beautiful lake. (12 Dec 1998)

Lexicographical Neighbors of Ontario

onsight
onsite
onslaught
onslaughter
onslaughters
onslaughts
onslip
onslips
onsold
onst
onstage
onstead
onsteads
onstream
ontake
ontario (current term)
ontic
ontically
onto
onto-
onto land
ontogeneses
ontogenesis
ontogenetic
ontogenetically
ontogenic
ontogenic homeostasis
ontogenies
ontogeny
ontogeny recapitulates phylogeny

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