African Ravine is a term used to describe a type of dry riverbed found in the African continent. It is also known as a WADI, which is an Arabic word meaning 'VALLEY'. WADI is a four-letter word that is used to describe this type of ravine. African Ravines are typically formed by seasonal rains and are often dry for most of the year. They are important sources of water for many African communities and are also home to a variety of wildlife.