Save Gender Masculine Usage Korean Scripts 해성(Korean Hangul) 海成, 海盛, 海星, etc.(Korean Hanja) Pronounced Pron. /hɛ.sʌŋ/ [key·simplify] Meaning & History From Sino-Korean 海 (hae) meaning "sea, ocean" combined with 成 (seong) meaning "completed, finished, succeeded", 盛 (seong) meaning "abundant, flourishing" or 星 (seong) meaning "star, planet". Other hanja combinations can form this name as well.