Vocabulary What does 卵巣 (らんそう, ransou) mean? 卵巣 (らんそう, ransou) means ovary. Quick factsReadingらんそうRomajiransouPart of speechnoun 卵巣らんそうransouovary1noun ovaryKanji in this word卵egg巣nest, den (of a bird or animal)