- any of several types of fighter aircraft extensively used by the German air force in World War II, especially the ME-109.
- Willy (ˈvɪli). 1898–1978, German aeronautical engineer. His military planes figured prominently in World War II, including the Me-262, the first jet fighter
n.type of German warplane, 1940, from name of Willy Messerschmitt (1898-1978), German aircraft designer. The surname is literally “cutler, knife-maker.”