Определение river basin в Английский Язык Английский Язык словарь
An extent of land where water from rain or snow melt drains downhill into a river or series of rivers
the entire geographical area drained by a river and its tributaries; "flood control in the Missouri basin
A river basin is the area of land from which all the water flows into a particular river. The land area drained by a river and its tributaries. an area from which all the water flows into the same river