すいどう 隧道 LinksSentence search for 隧道Sentence search for すいどうSentence search for ずいどうSentence search for ついどうKanji details for 隧 and 道Edit in JMdict Noun1. tunnelSee also トンネルOther forms隧道 【ずいどう】、隧道 【ついどう】 Discussions Log in to talk about this word.