云(yun)霧纏繞的(de)龍(long)(long)。漢王充《論衡·亂龍(long)(long)》:“董仲(zhong)舒(shu)申《春(chun)秋》之(zhi)雩(yu),設土龍(long)(long)以招雨(yu)(yu),其意以云(yun)龍(long)(long)相(xiang)致。” 五代(dai)齊己《春(chun)雨(yu)(yu)》詩:“云(yun)龍(long)(long)相(xiang)得起(qi),風電(dian)一時來(lai)。” 前(qian)蜀(shu)杜光庭《天冊巡官何(he)文(wen)濟為(wei)東院生日齋詞(ci)》:“猶風虎以相(xiang)須,若云(yun)龍(long)(long)而感契(qi)。”《易·乾(qian)》:“云(yun)從(cong)龍(long)(long),風從(cong)虎,圣(sheng)人作而萬物睹。”孔穎達(da)疏:“龍(long)(long)是(shi)水畜,云(yun)是(shi)水氣,故龍(long)(long)吟則景云(yun)出(chu),是(shi)云(yun)從(cong)龍(long)(long)也。”后因以“云(yun)龍(long)(long)”比喻(yu)君臣風云(yun)際(ji)(ji)會。宋陸游《太師魏國史公挽(wan)歌詞(ci)》:“云(yun)龍(long)(long)際(ji)(ji)千載,典(dian)冊冠三公。”