* A misspelling: It could be a misspelling of "no man," meaning "not a man."
* A name: It could be a name, possibly of Arabic origin.
* A specific term: It could be a term used in a specific field or context.
To understand the meaning, please provide more context.
For example:
* Where did you encounter this word? (In a book, a conversation, online, etc.)
* What was the surrounding text or conversation?
* What language is it in?
With more information, I can help you determine the intended meaning of "noman."