* A misspelling: It might be a misspelling of another word like "lug" or "luggage."
* A foreign word: "Luga" could be a word in another language. If you provide more context, like the language it's from or the sentence it's in, I can help you find the English translation.
* A proper noun: It could be a name, place, or brand.
Please provide more information so I can understand what you're looking for.