#cycle.wheeled_vehicle  a shortened version of `bicycle' or `tricycle' or `motorcycle'
  supertype:  #wheeled_vehicle  a vehicle that moves on wheels and usually has a container for transporting things or people
  subtype:  #bicycle__bike__wheel  a cycle that has two wheels; moved by foot pedals
     subtype:  #bicycle-built-for-two__bicyclebuiltfortwo__tandem_bicycle__tandem  a bicycle with two sets of pedals and two seats
     subtype:  #mountain_bike__all-terrain_bike__allterrainbike__off-roader__offroader  a bicycle with a sturdy frame and fat tires; originally designed for riding in mountainous country
     subtype:  #ordinary_bicycle__ordinary  an early bicycle with a very large front wheel and small back wheel
     subtype:  #push-bike  (British) a bicycle that must be pedaled
     subtype:  #safety_bicycle__safety_bike  bicycle that has two wheels of equal size; pedals are connected to the rear wheel by a multiplying gear
     subtype:  #velocipede  any of several early bicycles with pedals on the front wheel
  subtype:  #motorcycle__bike  a motor vehicle with two wheels and a strong frame
     subtype:  #minibike__motorbike  small motorcycle with a low frame and small wheels and elevated handlebars
        subtype:  #moped  a motorbike that can be pedaled or driven by a low-powered gasoline engine
     subtype:  #scrambler.motorcycle  a motorcycle with ridged tires and a strong suspension; designed for riding across rough ground
     subtype:  #trail_bike__trailbike  a lightweight motorcycle equipped with rugged tires and suspension; an off-road motorcycle designed for riding cross country
  subtype:  #motor_scooter__motorscooter__scooter  a cycle with small wheels and a low-powered gasoline engine geared to the rear wheel
  subtype:  #tricycle__trike__velocipede  a cycle with three wheels
     subtype:  #pedicab__cycle_rickshaw__cyclerickshaw  a tricycle (usually propelled by pedalling); used in the Orient for transporting passengers for hire; "boys who once pulled rickshaws now pedal pedicabs"
  subtype:  #unicycle__monocycle  a cycle with a single wheel that is driven by pedals

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