とうしょうだいいちぶ 東証第一部 LinksSentence search for 東証第一部Sentence search for とうしょうだいいちぶKanji details for 東, 証, 第, 一 and 部Edit in JMdict Noun1. First Section of the Tokyo Stock ExchangeSee also 東証一部 Discussions Log in to talk about this word.