rouranEtymologyBorrowed from Mandarin 柔然 (Róurán), from Rouran.nameA khaganate that ruled much of present-day Mongolia, northern China and southern Siberia from the mid-4th to the mid-6th centuries, formed from a tribal confederation of pre-Mongolic peoples of Donghu origin.The language of the Rouran khaganate.nounA member of the Rouran khaganate.