What is another word for drainage basin?
Pronunciation: [dɹˈe͡ɪnɪd͡ʒ bˈe͡ɪsən] (IPA) 
A "drainage basin" refers to an area of land where all surface and rainwater runoff collect and flow out of a central point, such as a river or lake. Synonymous terms for "drainage basin" include "catchment area," "watershed," and "river basin." These terms are often used interchangeably, though "catchment area" generally refers to a smaller-scale area that drains into a body of water, while "watershed" and "river basin" are typically larger geographical regions. Other synonyms may include "drainage area," "catchment basin," and "hydrologic basin." Regardless of terminology, proper management and monitoring of these areas is critical for maintaining water quality and preventing flooding.
