"Blue Nile." YourDictionary, n.d. Web. 19 May 2018. <http://www.yourdictionary.com/blue-nile>.
Blue Nile. (n.d.). Retrieved May 19th, 2018, from http://www.yourdictionary.com/blue-nile
A river of northeast Africa. It is the chief headstream of the Nile and flows about 1,610 km (1,000 mi) from northwest Ethiopia to Sudan. At Khartoum it merges with the White Nile to form the Nile River proper.