かいちゅうてんぼうとう 海中展望塔 LinksSentence search for 海中展望塔Sentence search for かいちゅうてんぼうとうKanji details for 海, 中, 展, 望 and 塔Edit in JMdict Noun1. underwater observation towerPlace2. Kaichuutenboutou Discussions Log in to talk about this word.