静海 Traditional form: 靜海 Pinyin (reading): Jìnghǎi Definitions: Jinghai county in Tianjin 天津 ( Tiānjīn) Sea of Tranquillity (on the moon) Characters: 静 - still, quiet, motionless, gentle 海 - sea, ocean; maritime Traditional characters: 靜 - still, quiet, motionless, gentle 海 - sea, ocean; maritime