#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.