京けい急きゅう空くう港こう線せんMeaningsNoun1. Keikyū Airport LineKanji used京capital急hurry空empty air港port線lineComposed of京けい10^16; 10,000,000,000,000,000; ten quadrillionNumeric急きゅうsudden; abrupt; unexpected; urgent; pressing; steep; sharp; precipitous; rapid; swift; …Na-adjective空くう港こう線せんAirport Line; Kūkō LineNoun