swimmer
  游泳者
  Swim·mer n.
  1. One who swims.
  2. Far. A protuberance on the leg of a horse.
  3. Zool. A swimming bird; one of the natatores.
  Little swimmer Zool., a phalarope.
  ◄ ►
  swimmer
       n 1: a trained athlete who participates in swimming meets; "he
            was an Olympic swimmer"
       2: a person who travels through the water by swimming; "he is
          not a good swimmer" [syn: natator, bather]