Definitions of gainer
  1. noun
    a person who gains weight
    synonyms: weight gainer
  2. noun
    a person who gains (gains an advantage or gains profits)
    “she was clearly the gainer in that exchange”
  3. noun
    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
    synonyms: full gainer
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    type of:
    dive, diving
    a headlong plunge into water
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