[1] : The Collaborative International Dictionary of English v.0.48

bike \bike\, n. ethymol. unknown.
   a nest of wild bees, wasps, or ants; a swarm. scot. --sir
   w. scott.
   1913 webster

[2] : WordNet (r) 2.0

bike
     n 1: a motor vehicle with two wheels and a strong frame syn: motorcycle
     2: a wheeled vehicle that has two wheels and is moved by foot
        pedals syn: bicycle, wheel, cycle
     v : ride a bicycle syn: bicycle, cycle, pedal, wheel
see also:
motorcycle bicycle wheel cycle pedal 

[3] : Moby Thesaurus II by Grady Ward, 1.0

30 moby thesaurus words for "bike":
   bicycle, bus, catch a train, chauffeur, chopper, cycle, drive,
   entrain, go by rail, iron, joyride, make a train, minibike,
   motocycle, motor, motorbike, motorcycle, pedal, pedicab, pig, ride,
   road-bike, take a joyride, taxi, trail bike, tricycle, trike,
   two-wheeler, velocipede, wheel

Bike >> B Words
Bike, definition of term: Bike
bike_pag1.html

Mountain Bike >> M Words
Mountain Bike, definition of term: Mountain Bike
mountain+bike_pag1.html