1. Rouran - Noun
2. Rouran - Proper noun
(historical) A 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.
(historical) The language of the Rouran khaganate.
Rouran (plural Rourans or Rouran)
(historical) A member of the Rouran khaganate.
But the qaghan of Rouran Anagui refused this request and sent to Bumin a mission and message: You are my blacksmith slave. Source: Internet
Bumin got angry and killed Anagui's mission and cut all relationship with Rouran Khaganate. Source: Internet
The Mongolic Rouran Khaganate (330–555), of Xianbei provenance was the first to use "Khagan" as an imperial title. Source: Internet
The Rouran king Shelun was the first major leader of the steppes to adopt (in 402 AD) the title of Khagan (可汗) or Qiudoufa Khan (丘豆伐可汗) (which was originally a title used by Xianbei nobles). Source: Internet
He took advantage of this success and requested a Rouran princess in marriage. Source: Internet