racing
    n 1: the sport of engaging in contests of speed

Race \Race\, v. i. [imp. & p. p. Raced (r[=a]st); p. pr. & vb.
   n. Racing (r[=a]"s[i^]ng).]
   1. To run swiftly; to contend in a race; as, the animals
      raced over the ground; the ships raced from port to port.
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   2. (Steam Mach.) To run too fast at times, as a marine engine
      or screw, when the screw is lifted out of water by the
      action of a heavy sea.
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Racing \Ra"cing\ (r[=a]"s[i^]ng),
   a. & n. from Race, v. t. & i.
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   Racing crab (Zool.), an ocypodian.
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