#column.structure__pillar  a vertical structure standing alone and not supporting anything (as a monument or a column of air)
  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:  #obelisk  a stone pillar having a rectangular cross section tapering towards a pyramidal top
     subtype:  #Washington_Monument  a tall stone obelisk in Washington honoring George Washington
  subtype:  #totem_pole__totempole  a tribal emblem consisting of a pillar carved and painted with totemic figures; erected by Indian tribes of the northwest Pacific coast

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