sidestroke

sidestroke
    n 1: a swimming stroke in which the arms move forward and
         backward while the legs do a scissors kick
    

25 Moby Thesaurus words for "sidestroke":
      Australian crawl, aquaplaning, aquatics, backstroke, balneation,
      bathe, bathing, breaststroke, butterfly, crawl, diving, dog paddle,
      fin, fishtail, flapper, flipper, floating, natation, surfboarding,
      surfing, swim, swimming, treading water, wading, waterskiing