* It's a misspelling: There might be a similar word with a different spelling that you meant. Could you check the context or source where you saw "maidul"?
* It's a regional or slang term: It's possible that "maidul" is a word used in a specific region or community, but it's not widely known.
* It's a made-up word: Perhaps it's a fictional term or a creative wordplay.
Please provide more context or information about where you encountered the word "maidul" so I can help you find a more accurate answer.