云霧(wu)纏繞(rao)的龍(long)(long)。漢王充(chong)《論衡·亂龍(long)(long)》:“董仲(zhong)舒申《春秋(qiu)》之雩(yu),設土龍(long)(long)以(yi)招雨,其意以(yi)云龍(long)(long)相致(zhi)。” 五代齊己《春雨》詩:“云龍(long)(long)相得起,風電(dian)一時來(lai)。” 前蜀杜光庭《天冊巡(xun)官何文濟為東院生日齋(zhai)詞》:“猶風虎以(yi)相須,若云龍(long)(long)而感契。”《易·乾》:“云從龍(long)(long),風從虎,圣人作而萬(wan)物睹。”孔穎達(da)疏:“龍(long)(long)是(shi)水畜,云是(shi)水氣,故龍(long)(long)吟則景云出,是(shi)云從龍(long)(long)也。”后因以(yi)“云龍(long)(long)”比喻君臣風云際會。宋陸(lu)游《太師(shi)魏國史公挽歌詞》:“云龍(long)(long)際千載(zai),典(dian)冊冠三(san)公。”