Brown Driver Briggs

 Cush = "black"
n pr m
1. a Benjamite mentioned only in the title of Ps 7
2. the son of Ham and grandson of Noah and the progenitor of the
southernmost peoples located in Africa
3. the peoples descended from Cush
n pr loc
4. the land occupied by the descendants of Cush located around the
southern parts of the Nile (Ethiopia)