羽ㄩˇ化ㄏㄨㄚˋyǔhuà

道教指修道的人升天成仙。例「羽化而登仙」。
婉辭。道教指人死亡。
昆蟲由幼體或蛹經脫皮發育成為成蟲。

英levitation (of Daoist immortal), to become as light as a feather and ascend to heaven, (in Daoism) to become immortal, to die, of winged insects, to emerge from the cocoon in adult form, eclosion