river basin

noun

An extent of land where water from rain or snow melt drains downhill into a river or series of rivers.

Similar
basinwatersheddrainage basincatchment areacatchment basindrainage area
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Meanings

nounriver basin (plural river basins)

plural river basins

  1. geographyAn extent of land where water from rain or snow melt drains downhill into a river or series of rivers.

Synonyms & antonyms

nounthe entire geographical area drained by a river and its tributaries; an area characterized by all runoff being conveyed to the same outlet

Similar
basinwatersheddrainage basincatchment areacatchment basindrainage area
Broader
geographical areageographic areageographical region
Also see
basincatchment areacatchment basindrainage areadrainage basinwatershed

Synonym sets from Open English WordNet, CC BY 4.0.

Translations

Irish abhantrach
  • abhantrachriver basin
Italian bacino fluviale
  • bacino fluvialeriver basin
Lithuanian upýnas
  • upýnasriver basin
Malay lembangan sungai
  • lembangan sungairiver basin
Norwegian Bokmål elvebekken
  • elvebekkenriver basin
Polish zlewnia
  • zlewniariver basin
Romanian bazin fluvial
  • bazin fluvialriver basin
Ukrainian басейн рiчки
  • басейн рiчки (basejn ričky)river basin
Cite this entry
APA

river basin. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/river%20basin

MLA

“river basin.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/river%20basin. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “river basin,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/river%20basin.

Source: river basin on Wiktionary, CC BY-SA 4.0.