English

Definition of lagoon noun from the Oxford Advanced Learner's Dictionary

     

    lagoon

     noun
    noun
    BrE BrE//ləˈɡuːn//
     
    ; NAmE NAmE//ləˈɡuːn//
     
    Rivers and lakes, Coastlines and the sea
     
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  1. 1a lake of salt water that is separated from the sea by a reef or an area of rock or sand See related entries: Rivers and lakes, Coastlines and the sea
  2. 2(North American English) a small area of fresh water near a lake or river We loved to go swimming in the lagoon. See related entries: Rivers and lakes, Coastlines and the sea
  3. 3(specialist) an artificial area built to hold waste water before it is treated at a sewage works
  4. Word Origin early 17th cent.: from Italian and Spanish laguna, from Latin lacuna ‘pool’, from lacus ‘lake’.
See the Oxford Advanced American Dictionary entry: lagoon