* It's a misspelling: Perhaps you meant a similar word like "quinine" or "quina."
* It's a specific term in a niche field: There might be a specific area where "quinaide" has a particular meaning, but it's not commonly used.
* It's a made-up word: It could be a fictional term from a book, game, or other creative work.
Please provide more context or information about where you encountered this term, and I might be able to help you find what you're looking for.