* It's a misspelling. Perhaps you meant a similar word like "Khaton," which is a title of nobility in some Turkic languages.
* It's a regional or dialectal term. If you heard it in a specific place, context, or language, it could be a local word.
* It's a made-up word. Some people create new words, especially for fictional stories or games.
Could you please provide more context about where you encountered this word? For example:
* What language were you reading or hearing it in?
* What was the context or situation where you encountered it?
With more information, I might be able to help you understand the meaning of "khatoni."