Harley-Davidson™
noun /ˌhɑːli ˈdeɪvɪdsən/
/ˌhɑːrli ˈdeɪvɪdsən/
- a famous and expensive US motorcycle. Harley-Davidsons are long and heavy, with powerful engines that make a loud sound. William Harley (1880-1943) and Arthur Davidson (1881-1950) built the first three in 1903 in Milwaukee, where the company's main office has always been. Popular models have included the 1936 Knucklehead, the 1957 Sportster and the 1990 Fat Boy.