地ち下か鉄てつ道どうMeaningsNoun1. subway; metro; underground railwayKanji used地ground下below鉄iron道roadwayComposed of地ち下か鉄てつsubway; metro; underground (railway)Noun道どうroad; path; street; route; way; set of practices; rules for conducting oneself; moral education; Buddhist teachings; Taoism; …Noun