river in central Africa, flowing westward along the border of the Central African Republic & Democratic Republic of the Congo, joining the Uele to form the Ubangi: c. 500 mi (805 km)
See Bomu in American Heritage Dictionary 4
A river of central Africa rising in southeast Central African Republic and flowing about 805 km (500 mi) generally west along the boundary with Congo (formerly Zaire) to merge with the Uele and form the Ubangi River.