祥しょう雲うんしょううんMeanings1nounauspicious cloudarchaicArchaic term for a cloud considered a good omen, appearing in classical Chinese-influenced texts.古こ典てんでは、祥しょう雲うんが現あらわれると吉きち事じの前ぜん兆ちょうとされた。In classical texts, the appearance of an auspicious cloud was considered a harbinger of good fortune.