Vocabulary What does 卵子 (らんし, ranshi) mean? 卵子 (らんし, ranshi) means ovum; ovule; egg cell. Quick factsReadingらんしRomajiranshiPart of speechnoun, no-adjective 卵子らんしranshiovum; ovule; egg cell1noun · no-adjective ovum; ovule; egg cellKanji in this word卵egg子child