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Noun: river basin
  1. The entire geographical area drained by a river and its tributaries; an area characterized by all runoff being conveyed to the same outlet
    "flood control in the Missouri river basin";
    - basin, watershed, drainage basin, catchment area, catchment basin, drainage area

Derived forms: river basins

Type of: geographic area, geographic region, geographical area, geographical region

Encyclopedia: River basin

Nearest

rivalry
rive
Rive Droite
Rive Gauche
river
River Acheron
River Adige
River Aire
River Arno
River Avon
river basin
river birch
river blindness
river boat
river bottom
river boulder
River Cam
River Clyde
river cobbler
River Cocytus
river cooter