春しゅん秋じゅう航こう空くうMeaningsNoun1. Spring AirlinesKanji used春spring秋autumn航navigation空empty airComposed of春しゅん秋じゅうspring and autumn; spring and fall; years; age; The Spring and Autumn Annals; The Chronicles of Lu; Chunqiu; Ch'un Ch'iuNoun航こう空くうaviation; flyingNoun