Dictionary/東宮とうぐうTouguuOther forms: 春宮東宮 (Touguu) is a Japanese noun meaning “crown prince”.Meaningsnouncrown princeKanji in 東宮東east宮Shinto shrineRelated words東京Tokyo東east春spring関東Kantō (region comprising Tokyo and surrounding prefectures)青春youth二宮the Two Ise Shrines東海Tōkai region (of Honshu; incl. Aichi, Shizuoka, Mie and southern Gifu prefectures)子宮womb東都the Eastern Capital (now Tokyo)東西east and west東洋the East王宮royal palace