Vocabulary What does 大洋 (たいよう, taiyou) mean? 大洋 (たいよう, taiyou) means ocean. Quick factsReadingたいようRomajitaiyouPart of speechnoun, no-adjective 大洋たいようtaiyouocean1noun · no-adjective oceanKanji in this word大big, large洋ocean; the West, Western
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