飛安 fēi'ān aviation safety Origin Definitions Defs Strokes Stroke Words Sentences Sents 飞 飛 fēi verbnoun abbreviation of 飞行 飛行 fēixíng to fly to fly or travel through the air, such as birds or aircraft安 ān adjective abbreviation of 安全 ānquán safe safe; secure; free from danger or threat