basin - definition and synonyms

 
 
noun [countable] 

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/ˈbeɪs(ə)n/
singularbasin
pluralbasins
  1. 1
    a large bowl fixed to the wall in a bathroom for washing your face and hands in
  2. 3
    a large area of land whose surface water all flows into a particular river or lake

    the Colorado River Basin

    1. b.
      a large area of the Earth’s surface that is lower than the surrounding area

      the Caribbean Basin

       Synonyms and related words