Definition of solar system noun from the Oxford Advanced Learner's Dictionary

     

    solar system

     noun
    noun
    BrE
     
    ; NAmE
     
    The universe
     
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  1. 1the solar system [singular] the sun and all the planets that move around it See related entries: The universe
  2. 2[countable] any group of planets that all move around the same star We don’t know how many solar systems there are in each galaxy. See related entries: The universe
See the Oxford Advanced American Dictionary entry: solar system