東とう海かい道どう新しん幹かん線せんTop 30000MeaningsNoun1. Tōkaidō ShinkansenKanji used東east海sea道roadway新new幹trunk線lineComposed of東とう海かい道どうTōkaidō (Edo-period Edo-Kyoto highway); Tōkaidō (under the ritsuryō system; one of the seven districts of ancient Japan)Noun新しん幹かん線せんShinkansen; bullet trainNoun