#dive__diving  a headlong plunge into water
  supertype:  #swimming__swim  the act of swimming
  subtype:  #belly_flop__bellyflop__belly_flopper__bellyflopper__belly_whop__bellywhop__belly_whopper__bellywhopper  a dive in which the abdomen bears the main force of impact with the water
  subtype:  #cliff_diving__cliffdiving  diving into the water from a steep overhanging cliff
  subtype:  #flip  a dive in which the diver somersaults before entering the water
  subtype:  #full_gainer__gainer  a dive in which the diver throws the feet forward to complete a full backward somersault and enters the water feet first and facing away from the diving board
  subtype:  #half_gainer  a dive in which the diver throws the feet forward and up to complete a half backward somersault and enters the water facing the diving board
  subtype:  #jackknife  a dive in which the diver bends to touch the ankles before straightening out
  subtype:  #swan_dive__swallow_dive__swallowdive  a dive in which the diver arches the back with arms outstretched before entering the water

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