motorcycle (n.)youdaoicibaDictYouDict[motorcycle 词源字典]
1895, a hybrid from motor + -cycle, from bicycle. Motocycle also was used late 19c.
The horse follows the crooks of a country road, but then the training of the "motorcycle" (horrid name) will inevitably straighten out the crooks in the country road, and afford long ranges of straight tracks. [Payson Burleigh, "The Age of Steel," Oct. 12, 1895]
Related: Motorcyclist.[motorcycle etymology, motorcycle origin, 英语词源]