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

     

    mound

     noun
    noun
    BrE BrE//maʊnd//
     
    ; NAmE NAmE//maʊnd//
     
    Mountains and valleys
     
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  1. 1a large pile of earth or stones; a small hill a Bronze Age burial mound The castle was built on top of a natural grassy mound. See related entries: Mountains and valleys
  2. 2a pile synonym heap a small mound of rice/sand
  3. 3mound of something (informal) a large amount of something synonym heap I've got a mound of paperwork to do.
  4. 4(in baseball) the small hill where the player who throws the ball (called the pitcher ) stands
  5. Word Origin early 16th cent. (as a verb in the sense ‘enclose with a fence or hedge’): of obscure origin. An early sense of the noun was ‘boundary hedge or fence’.Extra examples The church stands on a high mound just outside the village. a great mound of paperwork a neat mound of leaves a small tree on a grassy mound He covered the mound of rice on his plate with the sauce.
See the Oxford Advanced American Dictionary entry: mound