a group of languages of W Africa, mainly SE Nigeria and Cameroon, that were not traditionally classed as Bantu but that show certain essential Bantu characteristics. They are now classed with Bantu in the Benue-Congo branch of the Niger-Congo family
relating to or belonging to this group of languages
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Examples from the Web for semi-bantu
The sketch map showing the distribution of Bantu and Semi-Bantu languages is absurdly inadequate.
From this statement are excepted those tongues classified as "semi-Bantu."