1) Biu-mandara 
(from the article `Chad, Lake`) ...appears that the Lake Chad region has been continuously settled since 500 . Among the major archaeological discoveries of the region has been the ... ...of the same name; they are surrounded by groups of Kanuri, Fulani, Hausa, and Arabs, many of whom have come from outside Chad itself. Along the ... ...
[n] - a Chadic language spoken south of Lake Chad
noun a Chadic language spoken south of Lake Chad