The Collaborative International Dictionary of English v.0.48:

Speeder \Speed"er\, n.
   1. One who, or that which, speeds.
      [1913 Webster]

   2. (Spinning) A machine for drawing and twisting slivers to
      form rovings.
      [1913 Webster]

WordNet (r) 3.0 (2006):

speeder
    n 1: a driver who exceeds the safe speed limit [syn: speeder,
         speed demon]

Moby Thesaurus II by Grady Ward, 1.0:

37 Moby Thesaurus words for "speeder":
   Jehu, Sunday driver, backseat driver, bus driver, busman, cabby,
   cabdriver, chauffeur, driver, flier, goer, hack, hackdriver,
   hackman, hacky, hell-driver, hit-and-run driver, horse racer,
   hummer, hustler, jitney driver, jockey, joyrider, motorist, racer,
   road hog, runner, scorcher, sizzler, speed demon, stepper,
   taxidriver, teamster, truck driver, trucker, truckman, turfman