a former British unit of length equivalent to 6,080 feet (1,853.184 meters); 800 feet longer than a statute mile
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 unit of length corresponding approximately to one minute of arc of latitude along any meridian. By international agreement it is exactly 1,852 metres (approximately 6,076 feet or 1.151 statute mile).