東とう海かい東とう京きょう証しょう券けんMeaningsNoun1. Tokai Tokyo SecuritiesKanji used東east海sea京capital証proof券ticketComposed of東とう海かいTōkai region (of Honshu; incl. Aichi, Shizuoka, Mie and southern Gifu prefectures); eastern seaNoun東とう京きょうTokyoNoun証しょう券けんbond; bill; certificate; securityNoun