English dictionary
motor cycle
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
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A bicycle having a motor attached so as to be self-propelled. In Great Britain the term <i>motor cycle</i> is treated by statute (<i>3 Ed VII. c. 36</i>) as limited to motor cars (self-propelled vehicles) designed to travel on not more than three wheels, and weighing unladen (that is, without water, fuel, or accumulators necessary for propulsion) not more than three hundred weight (336 lbs.).
Source: webster1913