Vocabulary What does 腎臓 (じんぞう, jinzou) mean? 腎臓 (じんぞう, jinzou) means kidney. Quick factsReadingじんぞうRomajijinzouPart of speechnoun 腎臓じんぞうjinzoukidney1noun kidneyKanji in this word腎kidney臓internal organs