What is another word for river basin?
Pronunciation: [ɹˈɪvə bˈe͡ɪsən] (IPA) 
River Basin refers to the area that is drained by a particular river and its tributaries. It is an important geographical and hydrological concept. There are various synonyms for the word "River Basin," including Drainage Basin, Catchment, Watershed, and River System. Drainage Basin implies the region that is drained by a single river, and it forms the boundary between different drainage systems. Catchment has a similar meaning to Drainage Basin, encompassing the area of land that feeds water into a river system. Watershed refers to the high ridge that separates two Drainage Basins, while River System represents the network of rivers and streams that flow into a major river.
