#roof  a protective covering that covers or forms the top of a building
  supertype:  protective_cover__protective_covering__protection  a covering that is intend to protect from damage or injury; "they had no protection from the fallout"; "wax provided protection for the floors"
  subtype:  curb_roof  dome  gable_roof  hip_roof  housetop  slate_roof  sunroof  thatched_roof  tile_roof  vault
  part of:  edifice
  part:  eaves__eave  the overhang at the lower edge of a roof
  part:  roof_peak  the highest point of a roof

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