2) stagecoach. The Columbia Encyclopedia, Sixth Edition. 2001
...Throughout the Middle Ages and until about the end of the 18th cent., the condition of roads in Europe discouraged the use of wheeled vehicles, and travel by land...

3) motorcycle. The Columbia Encyclopedia, Sixth Edition. 2001
...The German inventor Gottlieb Daimler is generally credited with building the first practical motorcycle in 1885. The motorcycle did not become dependable and popular,...

4) automobile. The Columbia Encyclopedia, Sixth Edition. 2001
...The term is commonly applied to a four-wheeled vehicle designed to carry two to six passengers and a limited amount of cargo, as contrasted with a truck, which is...