Definition of 'nautical mile'

Noun

1. a British unit of length equivalent to 1,853.18 meters (6,082 feet)
      Synonyms: naut mi mile mi geographical mile Admiralty mile
2. a unit of length used in navigation; equivalent to the distance spanned by one minute of arc in latitude; 1,852 meters
      Synonyms: mile mi naut mi knot international nautical mile air mile

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