Dictionary/精子せいしSeishi精子 (Seishi) is a Japanese noun meaning “sperm, spermatozoon”.Meaningsnounsperm; spermatozoonKanji in 精子精refined子childRelated words子child子the Rat (first sign of the Chinese zodiac)実fruit子供child息子son女子woman弟子pupil女の子girl様子state (of affairs)梨nashi (esp. Pyrus pyrifolia)詳しいdetailed子供たちchildren