* It's a misspelling: It might be a misspelling of a word like "cornish" (referring to Cornwall, England), "cornea" (the transparent front part of the eye), or "cornice" (a decorative molding).
* It's a slang term: It could be a slang term used in a specific community or region, with a meaning that is not widely known.
* It's a name: It could be a person's name.
To understand the meaning of "cornesha," you need more context.
Can you provide more information about where you encountered this word?
For example:
* What was the sentence or conversation where it was used?
* What is the topic or subject being discussed?
* What is the speaker's background or dialect?
With more information, I can help you figure out the meaning.