Possible Interpretations:
* A misspelling of "Botany": This is the scientific study of plants.
* A fictional term: It could be a made-up word used in a book, game, or other creative work.
* A slang term: It's possible that "batology" is a slang word used in a specific community or region.
If you could provide more context about where you encountered this word, it might be easier to understand its meaning.