南大洋 Traditional form: 南大洋 Pinyin (reading): Nán Dàyáng Definitions: Southern Ocean Characters: 南 - south; southern; southward 大 - big, great, vast, high, deep 洋 - sea, ocean; western, foreign Traditional characters: 南 - south; southern; southward 大 - big, great, vast, high, deep 洋 - sea, ocean; western, foreign