Save Gender Feminine & Masculine Usage Korean Scripts 서우(Korean Hangul) 瑞雨, 栖瑀, etc.(Korean Hanja) Pronounced Pron. /sʌ.u/ [key·simplify] Meaning & History From Sino-Korean 瑞 (seo) meaning "felicitous omen, auspicious" or 栖 (seo) meaning "to perch, to roost" combined with 雨 (u) meaning "rain" or 瑀 (u) meaning "stone resembling jade, agate". Other hanja combinations can form this name as well.