Question: why is oxtail called oxtail?
Answer: Oxtail is the tail of a cow. In olden days, it came from the tail of an ox, but now it comes from the tail of a cow of either sex. ... It's common in Italian and Korean cuisine to see oxtail used as an ingredient. Oxtail requires a long time to cook since it's so bony and fatty; this is the perfect braising meat.