- a river in southwestern Africa, rising in central Angola and flowing east then north as part of the border between Angola and the Democratic Republic of the Congo, continuing northwest through the Democratic Republic of the Congo to the River Congo. Length: 2154 km (1338 miles)
WordReference Random House Unabridged Dictionary of American English © 2026
Ka•sai
(kə sī′, kä-),USA pronunciation n.
- Place Namesa river in S central Africa, flowing from central Angola to and then NW along the Angola-Democratic Republic of the Congo border and through the Democratic Republic of the Congo to the Congo (Zaire) River. ab. 1100 mi. (1770 km) long.
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Kasai /kɑːˈsaɪ/ n