'Bicycle' definitions:

Definition of 'bicycle'

From: WordNet
noun
A wheeled vehicle that has two wheels and is moved by foot pedals [syn: bicycle, bike, wheel, cycle]
verb
Ride a bicycle [syn: bicycle, cycle, bike, pedal, wheel]

Definition of 'Bicycle'

From: GCIDE
  • Bicycle \Bi"cy*cle\, n. [Pref. bi- + cycle.] A light vehicle having two wheels one behind the other. It has a saddle seat and is propelled by the rider's feet acting on cranks or levers. [1913 Webster]

Definition of 'bicycle'

From: GCIDE
  • Safety bicycle \Safety bicycle\ A bicycle with equal or nearly equal wheels, usually about 28 inches diameter, driven by pedals connected to the rear (driving) wheel by a multiplying gear. Since the 1930's this has been the most common type of bicycle, now simply called bicycle. The older high-wheelers are often referred to as bone-rattlers. [Webster 1913 Suppl. +PJC]

Synonyms of 'bicycle'

From: Moby Thesaurus