nautical mile
From Longman Dictionary of Contemporary EnglishRelated topics: Measurementnautical mileˌnautical ˈmile noun [countable] TMa unit for measuring distance at sea, equal to about 1.15 miles or 1,852 metresExamples from the Corpusnautical mile• One minute of latitude at the Equator was defined as a nautical mile.From Longman Business Dictionarynautical mileˌnautical ˈmile (also sea mile) a unit for measuring distance at sea, equal to 6,076 feet or 1,852 metres → mile