#mound__hill  structure consisting of an artificial heap or bank usually of earth or stones; "they built small mounds to hide behind"
  supertype:  #physical_structure__structure__construction  a thing constructed; a complex construction or entity; "the structure consisted of a series of arches"; "she wore her hair in an amazing construction of whirls and ribbons"
  subtype:  #barbette  (formerly) a mound earth inside a fort from which heavy gun can be fired over the parapet
  subtype:  #burial_mound__grave_mound__gravemound__barrow__tumulus__tumulu  (archeology) a heap of earth placed over prehistoric tombs
  subtype:  #embankment  a long artificial mound of stone or earth; built to hold back water or to support a road or as protection
     subtype:  #rampart__bulwark__wall  an embankment built around a space for defensive purposes; "they stormed the ramparts of the city"; "they blew the trumpet and the walls came tumbling down"
        subtype:  #bailey  the outer defensive wall that surrounds the outer courtyard of a castle
        subtype:  #battlement__crenelation  a rampart built around the top of a castle with regular gaps for firing arrows or guns
        subtype:  #Chinese_Wall__Great_Wall_of_China  a fortification 1,500 miles long built across northern China in the 3rd century BC
        subtype:  #earthwork  an earthen rampart
        subtype:  #fraise  sloping or horizontal rampart of pointed stakes
  subtype:  #snowbank  a mound or heap of snow

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