The international mile: a unit of length precisely equal to 1.609344 kilometers established by treaty among Anglophone nations in 1959, divided into 5,280 feet or 1,760 yards.
User Defined Definitions
"a unit of length equal to 1,760 yards or 5,280 feet; exactly 1609.344 meters"
"a unit of length used in navigation; exactly 1,852 meters; historically based on the distance spanned by one minute of arc in latitude"
"a large distance"
"an ancient Roman unit of length equivalent to 1620 yards"