(especially in former systems of classification) of or pertaining to a residual category of African languages including most of the non-Bantu and non-Hamitic languages of northern and central Africa: most now reclassified as part of the Niger-Congo subfamily.
a group of languages spoken in scattered areas of the Sudan, most of which are now generally assigned to the Chari-Nile branch of the Nilo-Saharan family
—adj
2.
relating to or belonging to this group of languages