chopper

from WordNet (r) 3.0 (2006)

chopper
    n 1: a grounder that bounces high in the air [syn: {chop},
         {chopper}]
    2: informal terms for a human `tooth' [syn: {chopper}, {pearly}]
    3: an aircraft without wings that obtains its lift from the
       rotation of overhead blades [syn: {helicopter}, {chopper},
       {whirlybird}, {eggbeater}]
    4: a butcher's knife having a large square blade [syn:
       {cleaver}, {meat cleaver}, {chopper}]

from The Collaborative International Dictionary of English v.0.48

Chopper \Chop"per\, n.
   One who, or that which, chops.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

22 Moby Thesaurus words for "chopper":
      bicycle, bike, copter, cycle, eggbeater, helicopter, iron,
      minibike, motocycle, motorbike, motorcycle, pedicab, pig,
      road-bike, rotary-wing aircraft, rotor plane, trail bike, tricycle,
      trike, wheel, whirlybird, windmill

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