noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A topographic region in which all water drains to a common outlet.
2. 2
   the entire geographical area drained by a river and its tributaries; an area characterized by all runoff being conveyed to the same outlet wordnet

Synonyms

All synonyms

basincatchment areadrainage areadrainage basinriver basinwatershed