#rail.bar  a horizontal bar (usually of wood)
  supertype:  bar.artifact  a rigid piece of metal or wood; usually used as a fastening or obstruction of weapon; "there were bars in the windows to prevent escape"
  subtype:  hitchrack__hitching_bar  a fixed horizontal rail to which a horse can be hitched to prevent it from straying
  subtype:  ledger_board  top rail of a fence or balustrade
  subtype:  picture_rail__picturerail  rail fixed to a wall for hanging pictures
  subtype:  plate_rail__platerail  rail or narrow shelf fixed to a wall to display plates
  subtype:  split_rail__splitrail__fence_rail__fencerail  a rail that is split from a log

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