Definition of dome noun from the Oxford Advanced American Dictionary

     

    dome

     noun
    noun
    NAmE//doʊm//
     
     
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  1. 1a round roof with a circular base the dome of St. Paul's Cathedral
  2. 2 a thing or a building shaped like a dome his bald dome of a head
  3. 3 (in names) a sports stadium with a roof shaped like a dome the Houston Astrodome
See the Oxford Advanced Learner's Dictionary entry: dome