京けい葉よう線せんTop 50000MeaningsNoun1. Keiyō LineKanji used京capital葉leaf線lineComposed of京けい葉ようTokyo and ChibaNoun線せんline; stripe; stria; line (e.g. telephone line); wire; ray (e.g. X-ray); beam; line (e.g. of a railroad); track; route; …NounExamples1東とう京きょう駅えきで他ほかの路ろ線せんから京けい葉よう線せんに乗のり換かえるのは非ひ常じょうに面めん倒どうくさい。Transferring to the Keiyō Line from other lines at Tokyo Station is extremely cumbersome.