#pond__pool  a small lake; "the pond was too small for sailing"
  supertype:  lake  a body of (usually fresh) water surrounded by land
  subtype:  fishpond  a freshwater pond with fish
  subtype:  horsepond  a pond for watering horses
  subtype:  mere  (British) a small pond of standing water
  subtype:  millpond  a pond formed by damming a stream to provide a head of water to turn a mill wheel
  subtype:  swimming_hole  a small body of water (usually in a creek) that is deep enough to use for swimming
  subtype:  water_hole__waterhole  a natural hole or hollow containing water

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