Southpaw is a boxing term that designates the stance where the boxer has his right hand and right foot forward, leading with right jabs, and following with a left cross right hook. Southpaw is the normal stance for a left-handed boxer.
Because the American system of measurement is very similar to the British imperial system, units are also commonly referred to as imperial units. The units have many different origins.
[edit] Units of length. The inch, foot, yard, and mile are the only four customary length measurements in everyday use by industry, engineers and the general public in the United States. In common usage, the mile is understood to be the statute mile (as differentiated from the nautical mile).