Vocabulary What does 豚骨 (とんこつ, tonkotsu) mean? 豚骨 (とんこつ, tonkotsu) means pork bone. Quick factsReadingとんこつRomajitonkotsu 豚骨とんこつtonkotsupork bone1pork boneWord breakdown豚 · 骨Kanji in this word豚pig; pork骨bone