Dictionary/地下道ちかどうChikadou地下道 (Chikadou) is a Japanese noun meaning “subterranean tunnel”.Meaningsnounsubterranean tunnelKanji in 地下道地ground下below道road-wayRelated words下さいplease (give me)地earth土earth道road酷いcruel下below下under (guidance, supervision, rules, the law, etc.)下さるto give下がるto come down農地agricultural land部下subordinate person下手humble position