航こう空くう大だい学がっ校こうMeaningsNoun1. Civil Aviation College; College of Aeronautics; COAKanji used航navigation空empty air大large学study校schoolComposed of航こう空くうaviation; flyingNoun大だいlarge; big; great; huge; vast; major; important; serious; severe; prominent; …Prefix学がっ校こうschoolNoun