#gutter__trough  a channel along the eaves or on the roof; collects and carries away rainwater
  supertype:  #conduit__channel  a passage for water (or other fluids)
  part of:  #gable_roof
  subtype:  #chute__slideway__sloping_trough__slopingtrough  sloping channel through which things can descend
     subtype:  #coal_chute  a chute for coal
     subtype:  #water_chute__waterchute  chute with flowing water down which toboggans and tubes and people slide into a pool
  subtype:  #cullis  a gutter in a roof

No statement uses or specializes #gutter; click here to add one.