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Definition of onon

onon

/ˈoʊ.nɑːn/
O · non
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onon Lexical Profile

• noun

1

A major river in northeastern Mongolia and the Zabaykalsky Krai in Russia that merges with the Ingoda River to form the Shilka River, historically renowned as the birthplace of Genghis Khan.

Example

"Historical texts claim that Genghis Khan was born in a nomadic settlement along the banks of the Onon."

• Rhymes for onon

• Nearby Words

onion
onion powder
onion rings
onon
ontake
opacification
opaekaa

Word Origin & Etymology

Derived from local Mongolian and Tungusic languages, historically referring to the major river in the region.

Cite this Entry

Wordmom. (2026). Definition of Onon. In Wordmom Dictionary. Retrieved Oct 13, 2026, from https://wordmom.com/dictionary/onon
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