やこう 夜行 JLPT N2 LinksSentence search for 夜行Sentence search for やこうSentence search for やぎょうKanji details for 夜 and 行Edit in JMdict Noun, Suru verb1. walking around at night; night travelNoun2. night trainAbbreviation, Only applies to やこう, See also 夜行列車Other forms夜行 【やぎょう】 Discussions Log in to talk about this word.