What does the Ilocano folksong Bannatiran mean?

"Bannatiran" is not a known Ilocano folksong. It's possible that there's a misunderstanding or misspelling.

Could you please double-check the name of the folksong? Perhaps it's a different song or a variation of the spelling.

If you can provide more context or information about the song, I might be able to help you further.