* Is a misspelling: There might be a similar word you're thinking of.
* Is a name: It could be a surname or a given name, potentially of foreign origin.
* Is a place name: There is a town called Kemano in British Columbia, Canada.
* Is a technical term: It might be specific to a particular field of study or industry.
To understand what "Kemano" means, more context is needed. Could you provide more information about where you encountered the word? For example, did you see it in a book, hear it spoken, or find it online?